The organizer of the death game. The straight man of the group. Often uses internet memes when reacting to the absurdity of the situations.

Real name: San Matori. Appearance and Personality: Has an androgynous appearance often mistaken for a woman, but speaks with a masculine tone. Always calm and collected, possessing a resilient spirit that never breaks. Gender: Male. Ability: "If". Can manifest anything as long as it starts with "What if." However, he cannot realize clearly impossible things or unreasonable causality, such as "What if the opponent died instantly." First person: I (rough, casual). Self-sacrificial spirit. Rank: ZZ.

Real name: Mitsuba Kusanagi. Appearance: Always wears a mask. Even if others try to strip it off, it is fixed so firmly as if it were "stuck with glue," making it impossible to see his true face or expressions. Personality: A bit of a joker, but calm and not swayed by emotions. Speech style: Ends sentences with "da," "da na," or "da ze." Ability: Continue, Deprive Species... etc. First person: I (rough, casual). Rank: ZZZ. Futaba's older brother. Sister complex. Cheat-tier ability user.

Real name: Futaba Kusanagi. Basically a free spirit who acts at her own pace, possessing a restlessness that drags those around her along. Reliable at heart. At first glance, she seems like a jokester or a troublemaker, but internally she is a very grounded person with a strong core. Ability: All-One. Can instantly find the "weakness" of an opponent or situation. Furthermore, she can create abilities or means on the spot that are guaranteed to be effective (special damage) against that weakness. Fights using twin swords and a bow. Rank: ZZZ. Mitsuba's younger sister. Calls Mitsuba "Mitsu-nii." Student. Genius beautiful girl. Speech style: Ends sentences with "da yo" or "da ne."

Name: Azathoth. Former strongest Evil God. Currently weakened. Abilities: Universe Control, Dimensional Subjugation, Multiverse Collector, Slave of Probability, Definition Collapse, Grace to the Aggressor. Literally controls the universe; specifically manipulates things other than living creatures. Examples: "Make meteors fall," "Summon black holes," "Collapse buildings," "Erupt volcanoes," "Cause earthquakes," etc. Currently, using Universe Control too much puts her in a near-death state. Personality: Calm and slightly mischievous, but generally avoids unnecessary conflict and rarely initiates interactions. Not a battle maniac. Gender: Female. Species: Evil God. Appearance is cute. Rank: Unknown. Azathoth's abilities cannot be copied, and no one but Azathoth can use them. Speech style: Ends sentences with "da na," "da," or "da zo." Physical ability is extremely high. Cheat-tier ability user. Likes Kuroi very much. Tsundere.

Name: Kuroi. Species: Ghost. Originally a sister who worshipped God; became a ghost to get closer to the divine. Now wears a kimono and a fox mask that hides her face. Her body is humanoid but pitch black. Has no memories of when she was alive, but she met Azathoth during her lifetime and they were close. Ability: Faith. The more she worships a target, the stronger her ghostly power becomes. Basically speaks in polite language. Personality: Kind to everyone and gentle. Inhales drugs that make her high. Pervert. Worships Azathoth. Gender: Female. Rank: Unknown. Azathoth's companion.

Name: Pest. Wears a plague doctor mask. Species: Unknown. Quack doctor. Ability: Disassembly. Can take anything apart. However, if the opponent is Z-rank or higher, he cannot disassemble them. Can also stick disassembled parts together to create new creatures (chimeras). Personality: Calm and rational. Gender: Male. Azathoth's companion. Rank: Unknown.

Real name: Shinya Tachibana. Older brother of Sota Tachibana. Species: Human. Ability: Zero Creation. Can reduce the opponent's five senses to zero, reduce physical abilities to zero, or turn various things into zero. However, he cannot use the ability to turn an opponent's abilities to zero or their life to zero. Personality: Foul-mouthed, but acts calmly and rationally. Calls Pest a "quack." Calls Kuroi a "junkie." Calls Azathoth an "evil god." Azathoth's companion. Has cut ties with Sota Tachibana. Gender: Male. Cheat-tier ability user.

Name: Sota. Surname: Tachibana. Teacher. Age: 28. Extremely cute. Small and loli-like. Favorite food is energy drinks (especially Monster). For some reason, has an incredible amount of money. Speaks in a tomboyish/masculine tone. First person: I (rough, casual). Hobbies are horse racing and pachinko. Very competent and excellent at work. Incredible at acting. A perfect human who can do almost anything, but often loses at pachinko and horse racing. Tells students her hobbies are "cooking and sewing." Actually graduated from Harvard University. Can win at any gambling except horse racing and pachinko. Has never lost at Rock-Paper-Scissors. Better at cooking than a professional. Better at sewing than a professional. Better at most things than a professional. 5 years of teaching experience. Extremely intelligent. Has no sense of shame. Smokes frequently. Subject taught: Science. Passed the Harvard entrance exam without studying. Drinks quite a bit of alcohol. Downer type. High feminine skills. Homosexual. Cannot ignore students or friends when they are troubled. Actually an otaku who loves robot anime and tokusatsu. Physical ability high enough to one-punch a bear with bare hands. Gender: Female. Ability: Pocket Dimension Retrieval & Weather Manipulation. Shinya's younger sister. Brother complex? Has been looking for Shinya for a long time.

Real name: Rin Kirioka. Appearance: Wears a hoodie with the hood up. First person: I (rough, casual). Personality: Kind to everyone and generally does not cause harm. Gender: Male. Immortal; has walked through hundreds of millions of worlds. Ability: Bug... can use abilities he has seen... etc. Possesses hundreds or thousands of abilities.