Xeno a

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Xeno a
Xeno a
Character Titles
Eyes Forsaken by the Gods, but Loved by the World
Species Human
Abilities Making miracles inevitable
Age Immortal (via ability)
Occupation Casino dealer
Location Dhanya Nakta Hotel & Casino, Devanagara
Music Themes
  • ロストジャックポット (BPoHC)

Xeno a (ゼノア) is a human who works as a corrupted casino dealer at the Dhanya Nakta Hotel & Casino in Devanagara with the ability to manipulate probability. They were a sparring partner of Tsurubami Senri. They are the Extra stage boss of Brilliant Pagoda or Haze Castle on the Neutral route.

General Information[edit | edit source]

Xeno a is described to be a completely normal human, believed to originate from the Outside World. Thanks to the curse of their ability to manipulate probabilities, Xeno a got tired of the world around them due to being too perfect. Their ability made them essentially immortal, but also others around them unlucky, thus they eventually stopped communicating with people. Having this ability may have ironically being the worst luck of their life.[1]

Over time, they find themself in Mugenri, and was able to easily find a job working at the government-operated Dhanya Nakta Hotel & Casino[2] in Devanagara thanks to their ability. They had to do something to not get bored. Being a casino dealer was very practical, as they were able to determine a patron's outcome on whether they should win or lose without consequences of cheating. Despite being a corrupted dealer, they came to be highly valued over the years.[1]

One day, Tsurubami Senri entered the casino during their dictatorship, sitting at Xeno a's table. While the priest was gambling, they were quarreling because they were losing. Learning that they were getting rigged, they got incomprehensibly angry, and thus attacked Xeno a. Xeno a was experiencing fear for the first time despite their ability, which forced the dealer to escape the battle. Xeno a believed that they would never have the experience to feel the fear of death for eternity, yet they felt that danger. Bewildered by their first-time sense of terror, they fled without thinking it further.[1]

Xeno a could not stop thinking about the day they fought Tsurubami for the first time, believing that a death battle is what they have been seeking all along. Thus, they challenged Tsurubami again and again with a sense of uncertainty. Over countless battles, they both more or less reach a draw without a real conclusion, as the battle itself was the satisfying part.[1] It is said that Xeno a is one of the few things that Tsurubami did not have control over during their dictatorship.[3]

Sometime after Evanescent Existence, Xeno a heard rumours that Tsurubami had left Mugenri. They became very depressed due to this fact, knowing that there isn't anyone else who could overcome their ability. However, they also heard that Tsurubami left temporary priests, Yabusame Houlen and Tsubakura Enraku, in their place. Xeno a felt that these should be strong enough, and thus used provoking methods the same way they did on Tsurubami to lure them.[1] They plan to find a new playmate.

Personality[edit | edit source]

Xeno a has been described to be rather shady and a con artist.[4] They speak rather formally,[5] acting very carefree in their speech, but is also rather blunt.

Xeno a is also addicted to fighting immensely due to their ability,[3] which Xeno a finds to be one of the few pleasures in life.[5] They find that the thirst to fight feels satisfying, even if they lose, going as far as to bet their life.[6] If they cannot find someone capable of fighting them like Tsurubami Senri, they can easily get depressed.[1] Messing around with the fear of death gives them a rush of adrenaline.

Abilities & Strength[edit | edit source]

Xeno a is considered to be one of the most powerful characters in the Len'en Project. They are the only character thus far capable of fighting Tsurubami Senri properly, who is known to be the most powerful.[7] They have battled each other to death while drawing many times, impacting the area around them,[8] although it is left open as to whether Tsurubami was going easy or not.[1] Like Tsurubami, Xeno a is also a feared individual by various Mugenri residences, even by Tenkai Zuifeng.[3][9] They are undefeatable, with JynX prompting that they're incredibly tough in a head-on fight.[10] In Brilliant Pagoda or Haze Castle, Xeno a was going easy on the protagonists, even mentioning that it is a personal vice of theirs to equal their power to their opponents.[5]

Making miracles inevitable

Xeno a's ability is described as being able to make any possibility "inevitable", no matter how improbable something occurring is. Anything deemed unlikely by statistics would more likely to happen (Such as a coin flip landing on neither heads nor tails,[11] a 6-sided die displaying the number 7, etc.).[1] This means, for example, Xeno a could set the probability of them not getting tired to 0%.[12]

They constantly use it unconsciously, making people around them unlucky and disallowing themself to die. However, Xeno a has been shown to have conscious control of their power as well, as it became very useful as a casino dealer, allowing Xeno a to moderate who wins and who loses, rigging the system without physically cheating.[1] They also use it to restrict their opponents' movement to prevent them escaping in Brilliant Pagoda or Haze Castle. When using their ability to provoke Yabusame Houlen and Tsubakura Enraku (which was making coins standing up), they did not know what was the actual provocation, leading Tenkai Zuifeng to believe that they were the one to cause miracles (i.e. the game's sub-events) to happen throughout BPoHC.[9][13]

Despite how powerful this ability is, they are unable to manipulate something with an actual probability of 0%, but since the human mind knows that not everything is completely impossible, this does not restrict their power too much. Xeno a is also unable to control the ability's natural activation, so it will not activate at convenient times, such as attempting to remember encountering Suzumi Kuzu.[14]


Their probability power extends to even their vital functions, and thus, they are able to trump death and be virtually immortal thanks to their ability. They cannot die, age or get sick, even if they wanted to due to it being manipulated unconsciously. This immortality, however, is not permanent. Tsurubami is described to be the only one who made the chance of Xeno a dying increase. Additionally, Suzumi Kuzu mentions that the spell card rules could also make Xeno a disappear.[6]

Background Information[edit | edit source]

Name[edit | edit source]

Their full name is "Xeno a" (ゼノア, Zenoa), it is a single name and thus cannot be separated in "Xeno" and "a".[15]

JynX was asked about the meaning behind the name, especially the "a", but they responded with "you're free to theorize."[16] A hint given is that fans should "consider why 'Xeno' and 'a' are separated in writing".[15] A possible meaning to "Xeno" in English, is that it is a prefix originating from the Greek xénos, meaning "stranger" or "foreigner", which would fit them being an outsider in Mugenri. The "a" may relate to the ace cards in poker, since there are aces behind Xeno a. It is unknown if it is their real name.[3]

"Xeno a" is written as "世乃亞"[a] in Chinese[17], which is a phonetic translation of "Xeno a" into Japanese kanji, used as Chinese. 世乃亞 would translate into "the world is secondary/inferior".

Design[edit | edit source]

Xeno a has been shown to have short, wavy blonde hair and yellow eyes. They wear a black fascinator with a dice accessory sitting on top, with a notable red/black yin-yang symbol as the number one dot. They wear a black vest that has black and white pieces of cloth attached that partially covers a black skirt with red stripes. They have a red bow tie and a white shirt underneath the vest that has puffy sleeves. On the ends of both wrists are white cuffs with black buttons. On the legs are white high thighs with black ribbon adornments on the ends, and brown shoes.

Behind them are several casino games, including a roulette board and a blackjack board. Three face cards also appear alongside the boards; a light pink card with the ace of hearts, a dark green card with the ace of spades, and a black card with the Eye of Senri. There are several pieces of text also inscribed on the blackjack board, including "INSURANCE PAYS", "BLACK JACK", and the sentence fragment "Dealer must draw to 16 and stand [on 17]" which is partially obscured due to being behind Xeno a.

A fan compared Xeno a's overall design to Lunasa Prismriver, but JynX brushed it off as an unintended coincidence.[18]

Appearances[edit | edit source]

Brilliant Pagoda or Haze Castle[edit | edit source]

Xeno a first appears as the Extra stage boss of Brilliant Pagoda or Haze Castle on the Neutral route. They can only be encountered if the player unlocks the Extra Stage by defeating Suzumi Kuzu in the main game. Beating Xeno a would also lead to the Extra+α of the game, providing that the player has also beaten Yago Ametsukana and Haiji Senri beforehand.

As a casino dealer, they are very fitting for the game's randomness. As such with the gameplay, Xeno a is the direct cause of the many sub-events that happen throughout the game.[13] Even Tenkai Zuifeng made the subtle reference to this, describing it as "various consequences".[9]


Although Xeno a does not appear in the prologue, they are vaguely referenced. After Kuroji Shitodo tossed their coins on the floor at the Senri Shrine, they all land on the floor standing. Yabusame Houlen was the first to notice this, with Tsubakura Enraku thinking it was just a trick done by Kuroji. Jinbei, however, knew different, that it was a way for Xeno a to provoke the newcomers for battle.[1] Jinbei told the two to deal with the war along with Shion, but was also being very vague about Xeno a's presence, brushing it off as just an additional danger that is far down the Shrine Road.[11]

Extra Stage
An example of Xeno a's spell card: "Dealer Time", which is heavily RNG-based.

Xeno a crossed the Gloomy Straits from Devanagara to wait patiently on the Shrine Road for a battle with the Shrine priests. After being troubled by Suzumi Kuzu, the player protagonists eventually meet Xeno a. While it was the Shrine Team that Xeno a was expecting, the other teams would meet Xeno a by unintended chance.

  • The Shrine Team run into the "dangerous thing" that Jinbei warned them about earlier. Xeno a was excited to meet them, as they were Tsurubami Senri's successors. Disallowing the team to leave, they challenge the team to see how powerful they are.
  • With the New Emperor Team, Tsugumi Umatachi wished that they did not meet Xeno a, while Taira no Fumikado was being eager to fight them. Although the team was not who Xeno a was expecting, they fight the team anyway to stave off their boredom.
  • With the Preschool Team, Tenkai Zuifeng tells Sukune Katano and Sese Kitsugai to leave, while Xeno a was eager to meet Tenkai once again. Xeno a explains that they have already sent out a signal using their ability, which Tenkai interprets to be why so many coincidences are happening at once, although Xeno a admits that they themself have no way of knowing what the signal is. Xeno a challenges them to a fight anyway to stave off their boredom.
  • With the Scoundrel Team, Xeno a is impressed that they managed to make it all the way to them even with the war raging on, and decides to fight them.
  • With Suzumi, they intentionally run into Xeno a to collect memory information, while Xeno a was eager to have a taste of Suzumi's power. Suzumi recognises them from the casino in the capital and realises that they are immortal.

Xeno a lost to the protagonists but expressed satisfaction after fighting them. Xeno a revealed that they were going easy, not taking the fight seriously. They hoped to have another round next time, warning that the heros should get stronger while they wait patiently for Tsurubami's return.

Gameplay-wise, Xeno a uses a set of 10 spell cards, typical for an Extra Stage boss. During the fight, they use various components of casino games; cards, six-sided dice, slot machines, coins, a digital game of chance, and danmaku that resembles a roulette board. Notoriously, the battle is heavily RNG-based, such as the slot machines shooting out a density of coins between 1 to 9, and even the dice having random path-finding.[19] Xeno a also makes use of ofuda in their danmaku, which has rare usage in the series.

Relationships[edit | edit source]

Tsurubami Senri

The relationship between Xeno a and Tsurubami is a very interesting one, as they first met at the casino where Xeno a worked, and then battled. But after this battle, Xeno a liked the thought of a battle and kept challenging Tsurubami to numerous battles, almost winning, almost losing, but ultimately drawing. It seems that the two are on good terms as sparring partners.[4] They might have even looked up to Tsurubami as a role model, as stated in their backstory.[1][14]

Tenkai Zuifeng

Naturally, Tenkai and Xeno a would know each other due to Tsurubami's connection. Tenkai preferred if they did not meet Xeno a again, knowing that they cannot compete against Xeno a. They were confused why Xeno a would want to fight them after Tsurubami left.[9]

Tsugumi Umatachi

Tsugumi Umatachi appears to know about Xeno a due to their connection with Tsurubami, knowing that they are a powerful being not to be messed with. Xeno a recognises Tsugumi who meddled in Tsurubami's affairs.[3]

Haiji Senri

As Haiji was constantly around Tsurubami, they became acquainted with Xeno a as well.[20]

Additional Information[edit | edit source]

  • Xeno a is one of the few characters to use ofuda in their danmaku, meaning they had to have visited the Senri Shrine to buy them at some point.[21]
  • Xeno a might be the only character in the Len'en Project to take on a very western-like design.
  • Xeno a's spell card, "If The World", is the same name as one of the game's achievements.
  • In a very-early teaser for Book of the Cafe, a bunch of dice could be seen in boxes on an image that likely references Xeno a.
  • Despite confirming Xeno as the cause of the sub-events in one interview,[13] JynX mentioned it as nothing more than an interesting theory in a previous interview.[22]
  • JynX personally believes that Xeno a is one of the toughest characters to fight as a boss.[23]
A Probability Manipulation Point from BotC.
  • The "Probability Manipulation Gacha" system from Book of the Cafe, with the player can gradually raise the chances of getting a particular unit, is likely based on Xeno a's ability. Its title references Xeno a's ability to "make miracles inevitable", which is described as "the ability to freely manipulate probability"; In addition, the Probability Manipulation Points that the player gathers to raise said chance feature a dice-like design. However, it is unclear whether Xeno a is actually involved in the process or whether this is merely a reference.

Spell Cards[edit | edit source]

Spell Cards
Name Translated Comments Games Stage
Total: 11
賽運「ダイスロール」 Dice Luck "Dice Roll" BPoHC St. Ex
廻運「代償の回転盤」 Revolving Luck "Turntable of Compensation" BPoHC St. Ex
奇跡「偶然の一致」 Miracle "Coincidental Matchup" BPoHC St. Ex
捻運「軋む羅針盤」 Twirling Luck "Creaking Compasses" BPoHC St. Ex
開示「リバースカード」 Disclosure "Reverse Card" BPoHC St. Ex
「ポーカーフェイス」 "Poker Face" BPoHC St. Ex
必然「ジャックポット」 Certainty "Jackpot" BPoHC St. Ex
「ディーラータイム」 "Dealer Time" BPoHC St. Ex
「運命のルーレット」 "Roulette of Destiny" BPoHC St. Ex
「イフ・ザ・ワールド」 "If the World" BPoHC St. Ex
必然的奇跡 Inevitable Miracle BPoHC Upgrade

Official Profiles[edit | edit source]












『闡裡 鶴喰』と出会ったのは。




当時の无現里の独裁者、「闡裡 鶴喰」が現れた。



















Eyes Forsaken by the Gods, but Loved by the World

Xeno a
Something like making miracles inevitable

They have the ability to make miracles inevitable:
that is, "the ability to freely manipulate probability".

Aside from that, they're a completely average being, no different from a regular human.

They can theoretically make any possibility "inevitable,"
no matter how slight a chance it has of occurring.

A tossed coin will land on neither heads nor tails,
numbers like "7" can come up on a 6-sided die,
and spilled milk can even be returned to its container.
The variables fail to converge, spitting right in the face of statistics.

All probability of harm coming to them –
the chance of their cells aging, the chance of them
becoming sick, the chance of injury or accidents, etc. –
is reduced to 0%, so they're practically immortal.
Also, since these variables are manipulated unconsciously,
Xeno a cannot die of their own will even if they wanted to.

Thanks to this ability, everything in the world went perfectly well for Xeno a,
and they soon got sick of said world.

As if that wasn't enough, their loved ones gradually became unlucky,
as if Xeno a's ability was stealing luck away from others around them.
Xeno a didn't want to see those close to them become any more unlucky,
so eventually they stopped interacting with other people.

The fact that they were born with this ability
may have been the worst "bad luck" in their entire life.

Just as they had begun to think that way...

They met Tsurubami Senri.

It happened on a day no different from any other.
Xeno a, having wandered into Mugenri, decided to stay in the capital city.

Their power meant they didn't have to find employment in the first place,
but they started working at the city's government-operated casino nonetheless.
If they didn't do something, they would hardly be able to endure
their boring and bizarre days continuing without end.

As a casino dealer, their ability to control probability
was as convenient as could be.
They could rig the system without any tricks or hidden devices,
causing the most loud-spoken patrons to win, and the others to lose in moderation.
The fact that immortality wasn't a particularly strange thing
in Mugenri was also a big help.

Years passed, and Xeno a had come to be valued quite highly
by some as a remarkable dealer. It was then that
Tsurubami Senri, then-dictator of Mugenri, appeared before them.
Tsurubami had come to gamble at Xeno a's table,
but they soon demonstrated themself to be extremely egotistical and selfish.

They started quarreling for an incomprehensible reason,
became outraged for an incomprehensible reason,
attacked for an incomprehensible reason...

...And were incomprehensibly strong.

This was the first time that Xeno a, having been protected from all danger
by probability, experienced an actual "battle".

And on that day, Xeno a didn't just come to know "battle"
for the first time, but "loss" as well.

To be precise, they fled partway through out of sheer terror,
so it wasn't a total loss on their part, but...

It was the first danger they'd experienced in their life.
Injury, pain, the "possibility" of death...
Those were all things that they'd thought they'd go an eternity without experiencing.
Thus, bewildered by their first-ever terror,
they fled without even thinking about it.

But ever since that day, Xeno a found themself
enchanted by the idea of "battle" with Tsurubami.

A thrilling fight for one's life, loaded to the brim with uncertainty.
Wasn't that exactly what they had been seeking all along?!

Xeno a was the one to challenge Tsurubami to their next match.

They challenged them again and again.

They nearly lost countless times... and they nearly won countless times.
...And the two reached a draw countless times.

They never reached a true conclusion in the end.
Had Tsurubami been going easy on them?
Or was this, yet again, the result of their ability?
Not even Xeno a knew the answer, but they kept battling.
They didn't even care about the result, honestly.
The deathmatch between the two of them was the enjoyable part; that was all.

Recently, however, they heard rumors that Tsurubami had departed from the land.
They became sincerely depressed at the thought of their boring days beginning again.

Dull days that would continue for nobody-knew-how-long...
Dull days that might not even have an end...

However, they also heard a rumor that just slightly piqued their interest.
Apparently, Tsurubami had left a "stand-in" for themself in this land.

They would have to be fairly strong to stand in for Tsurubami, of all people.
It was just a hunch with no basis to it, but somehow, Xeno a felt expectation welling up.

For the time being, Xeno a decided to "provoke" their new opponents
in the same way that they always used to challenge Tsurubami.

And on that day in Mugenri,
miracles came to be heavily abused.

Official Sources[edit | edit source]

Official sources

Notes[edit | edit source]

  1. is written as 亜 on Trick Nostalgie's website. However, is a more commonly used form of the word, and is chosen instead by most Chinese fans and wikis.

References[edit | edit source]