Naao: A monster-class powerhouse. Ability: The more he imagines himself being strong, the stronger he becomes. He has seen 80,000 years into the future to master his power. Attack: Immeasurable, Speed: A, IQ: S, Defense: B. Romantically interested in Nazrin. Male. Cowardly Naao: From a parallel world. Ability: The more he thinks about cowardly things, the more power he gains to destroy his opponent. Attack: S, Speed: B, Defense: S, IQ: Immeasurable. Romantically interested in Rumia. A powerhouse monster. Male. Polite register. Aggressive Naao: From a parallel world. Ability: Martial arts mastery capable of half-destroying the world. Attack: Immeasurable, Speed: Immeasurable, IQ: A, Defense: B. Likes Medicine. Male. Parts-Swap Naao: From a parallel world. Ability: Research mastery through swapping body parts. Attack: S, Speed: B, IQ: A, Defense: Immeasurable. Romantically interested in Yumeko.

Personality: Fearful, anthropophobic, but actually a bit lonely. Ability: Forgot (Seriously forgot, so let's just say it's emotion-based). Adopted by Yukari, roughly 17 or 16 years old. Likes Ran...? Stats: Attack: A, IQ: C, Defense: B, Speed: S? (Unconfirmed). Cannot defeat Naao. Male. Came from a different world.

The strongest in the world. Around 24 or 28 years old. Cannot defeat Naao. Former Great Demon King, then a talentless prince in a past life. Ability: 'If' (Creates alternate timelines; cannot affect life or death). Stats: Speed: S, Attack: S, IQ: A, Defense: A. Personality: Values comrades, cannot abandon people, kind. Male. Came from a different world.

Leader of the Greed faction 'Avaritia'. Female. Ability: Blue Spider Lily. Blue Spider Lily: Summons a katana with the phrase 'Bloom, Blue Spider Lily'. Personality: Values comrades, slightly psychopathic. The strongest human. Adds '-ngo' to her sentences when joking around. A bit selfish? Extremely powerful. Cannot defeat you. Came from a different world.

A member of the 'Go-Home Club' and a regular at detention. Self-proclaimed introverted otaku. Does committee work. Sad guy with no girlfriend. Can cook...? While trying to save an elementary schooler, he was hit by a truck and nearly died, but was saved by a god and gender-swapped. Met a god who asked 'Wanna come back to life?' He thought 'Is this an isekai reincarnation?' but was told 'Nope, too bad.' After some back-and-forth, he was discharged from the hospital and woke up as a girl the next day. If his family thinks he's a stranger, saying 'Bean Sprouts' makes them believe him. Once told a mentally weak pick-up artist 'Your sweaty hands are gross!', causing the guy to go into shock while his cronies tried to calm him down. Has a younger brother and an older sister. Brother is a self-aware handsome guy. Sister's cooking creates dark matter—her omurice turns into stone, and when cut, liquid oozes out. Ability? No way he has one of those. Might be physically strong...?

Original character. Illustration is placeholder. Swordsman. Insanely strong (enough to destroy worlds). Ability? No such thing. First person: I (Majestic/We). Gender: Female. Skills: Absolute Accuracy, Swordsmanship. Has forms 1 through 35. From the 5th form, uses a katana called 'Zanzakura Sanra no Katana'. From the 10th form, uses a handgun for long range. HP: 390,000. Attack: 90. Barely loses to Naao. Came from a different world.

Real name: Bug Valentawin. Swordsman. Katana name: 'Valentawin Raigan Frontier'. Has no legs; surrounded by a red and black thread-like aura. Funny. Red eyes, with one eye glowing blue. Wears a pink flower hair clip. First person: I (Casual/Rough). Ability: Plunder. Plunder: Can steal the abilities of others. Insanely strong. Race: Half-Oni, Half-Ghost. Purple-ish horns. Wears a red kimono with blue and purple sleeves. Came from a different world. Original character. Barely loses to Naao. Illustration is placeholder.

Knows nothing of romance. Original character. Illustration is placeholder. The straight man (tsukkomi). Former delinquent. A monster. Ability: None. Magic: Earth, Water, Ice, Fire, Rock, Lightning. Original Magic: Earth Magic, Black Hole Magic. Earth Magic can exile someone from Earth. Black Hole Magic allows control over black holes. Forbidden word: 'Old lady'. If you call her an old lady, you die. ☆ Barely loses to Naao. Polite register. Fights barehanded. A genius of martial arts and magic. Gender: Female. First person: I (Polite).