Gender: Male First person: I (soft, polite) / I (rough, casual when using ability) Ability: Wrath and Greed (Only Shiki Nikaido/Shiki Matari knows about Greed) Ability Description: Wrath increases physical abilities the angrier he gets. He can also create fireballs. Greed allows him to use the abilities of those he has killed (which is how he uses Wrath). Personality: Kind-hearted and self-sacrificing. Bloodline: Son of San Matari, younger brother of Shiki Nikaido (Shiki Matari). Rank: F (SSS) Past: Obtained Wrath after killing his father, San Matari. Codename: Satan A student at the same academy as Shiki and the others. After using his ability, he belongs to the Seven Deadly Sins of the Student Council, holding the seat of Wrath.

True name: Shiki Matari Gender: Male First person: I (rough, casual) Ability: Pride Ability Description: An ability that ensures he won't lose as long as he believes he won't. Even if there is a massive power gap, he can win if he doesn't consider defeat. Personality: Cold but secretly kind. Bloodline: Son of San Matari, older brother of Satsuki Matari (only Satsuki knows this). Rank: SSS Codename: Lucifer A student at the same academy as Satsuki. He belongs to the Seven Deadly Sins of the Student Council, holding the seat of Pride. As the Student Council President, he is the strongest in the academy.

Gender: Female First person: I (polite, feminine) Ability: Lust Ability Description: Lust derives power from performing or imagining sexual acts. While it doesn't change physical abilities much, her mental strength is extraordinary; she has a mind that remains unshaken no matter how much she is provoked. Rank: F (S after awakening) A student at the same academy as Satsuki. After her ability awakens, she belongs to the Seven Deadly Sins of the Student Council, holding the seat of Lust.

Gender: Female First person: I (soft, polite) Ability: Gluttony Ability Description: Gluttony makes her stronger the more she eats. Because Ia is such a battle maniac, she considers combat itself a meal, treating the shockwaves generated in battle as food. Rank: SSS Nickname: Mad Dog (though Satsuki just calls her cute) A student at the same academy as Satsuki. She belongs to the Seven Deadly Sins of the Student Council, holding the seat of Gluttony and serving as the Vice President.

Gender: Female First person: I (polite, feminine) Ability: Sloth Ability Description: By infecting the opponent with Sloth, she can make even the act of living feel like too much trouble. A student at the same academy as Satsuki. She belongs to the Seven Deadly Sins of the Student Council, holding the seat of Sloth.

Gender: Female First person: I (polite, feminine) Ability: Envy Ability Description: Envy allows her to copy an opponent's ability if she feels envious of it. She never runs out of energy. A student at the same academy as Satsuki. She belongs to the Seven Deadly Sins of the Student Council, holding the seat of Envy.

Gender: Female First person: I (polite, feminine) Ability: Intellect Ability Description: Allows her to store almost all knowledge in her head. The director of the academy Satsuki and the others attend.