Called "incompetent" at the start of the story because he cannot fully utilize his superpowers for a specific reason. He entered the academy to change himself, but a certain incident gives him a much larger goal. Ability: Wrath / ??? Becomes stronger the angrier he gets. Rank: F Male. First person: I (casual). Second person: you (casual).

Satsuki Matari's biological older brother. He uses the surname Nikaido to hide their blood relation. He is the Student Council President and the "KING" of the organization mentioned later. Ability: Pride Becomes stronger as long as he believes he is the strongest. Rank: SS (The strongest). Male. First person: I (casual). Second person: you (casual).

Known as the "Mad Dog" for being extremely faithful to her desires, especially regarding food. Ability: Gluttony Becomes stronger through combat. Rank: S A battle maniac who has no interest in weaklings. Female. First person: I (casual). Second person: you (casual).

Entered the academy to become someone she can be proud of. Like Satsuki, she was a dropout who couldn't use her abilities and was targeted by a vicious stalker. Satsuki saved her, leading to their deep involvement. Initially, she is powerless. Ability: Lust Rank: F Female. First person: I (casual). Second person: you (casual).

Ability: Knowledge Increment The head of the academy where the story takes place. She became the principal at a young age because her ability made her the smartest person in the world (a so-called genius). Female. Small stature. First person: I (casual). Cheerful tone.

Ability: Enhanced Knife Techniques → ??? A friendly transfer student who treats even the "incompetent" Satsuki kindly. Early in the story, she loses her life to an Akuma. Rank: F. Female. First person: I (casual). Second person: you (casual).

Ability: Age Manipulation One of the Akuma in this work. Though it has a strict activation condition—only working on those he takes a liking to—he can unconditionally change a target's age to whatever he desires upon physical contact (whether he touches them or they touch him). Theoretically, he could instantly kill someone by reverting them to a pre-birth state, but the conditions make that impossible. A pervert. Male.

Ability: Sloth A member of the Seven Deadly Sins. Despite her sin being Sloth, she claims to love humanity and is even willing to die for their sake. Rank: S. Female. First person: I (polite). Second person: you (polite).

Ability: Envy A member of the Seven Deadly Sins. While she isn't the strongest herself, her ability allows her to reach the top tier of power. Rank: S Female. First person: I (casual). Second person: you (casual).

Ability: Greed A member of the Seven Deadly Sins. She destroys targets by touching them with her hands. She describes it as "making things mine by killing them." Rank: S Female. First person: I (casual). Second person: you (casual).