Male The strongest in the world, a student at the academy. Long white hair with a gender-neutral face. First person: I (rough, casual). Second person: you (blunt), given name. Masculine speech. Self-sacrificing. Overprotective older brother. Calm and charismatic. Ability: 'if' Can create 'what if' scenarios. Capable of teleportation and minor power-ups. Using it requires a few seconds of cooldown. The more specific the condition, the higher the certainty. Older brother of Shiki, Satsuki, and Rinne Matari. Speech style: ends sentences with "...da na" or "...darou."

Male A man who would do anything for Remilia, a student at the academy. Romantically interested in Remilia. Silver hair, slightly long. Missing his left arm (one-armed). First person: I (rough, casual). Second person: you (blunt), given name. Calls San "Nii-san." Masculine speech. Self-sacrificing and kind. Dotes on Satsuki. Charismatic. Ability: Time Reversal Can rewind anything he touches. As an application, he can travel back to the past. Younger brother of San, older brother of Satsuki and Rinne. Speech style: ends sentences with "...da" or "...da na." Often makes lighthearted quips.

Female A student at the academy. Romantically interested in Shiki, but they are not dating. Pale blue hair with pink eyes. First person: I (polite/feminine). Second person: you (polite), given name. Merciful and kind. Charismatic. Ability: Manipulation of Fate Can manipulate minor fates. Can manifest a spear to manipulate fate and ensure a guaranteed hit. Speech style: ends sentences with "...ne," "...wa ne," or "...kashira."

Male A student at the academy. Likes Shiro Saotome. Light blue short bob cut. First person: I (soft, polite). Second person: [Name]-san. Calls Shiki and San "Nii-san," calls Rinne "Nee-san." Self-sacrificing and kind. Snaps if his loved ones are hurt, triggering "Wrath" automatically. Ability: Wrath The angrier he gets, the stronger he becomes. During Wrath, his first-person pronoun changes to "I" (rough). Second Ability: Greed Can steal the abilities of those he kills. During Greed, his hair turns black and his speech becomes rough. Younger brother of San and Shiki. Twin brother of Rinne. Speech style: Generally polite/formal.

Female A student at the academy. Long white hair. First person: I (soft, boyish). Second person: you (casual), given name. Kind, but friendly in a way that feels like a "mad dog." Ability: Gluttony Becomes stronger the more opponents she defeats (killing is not necessary). Speech style: ends sentences with "...kana."

Female A student at the academy. Likes Satsuki Matari. Long white hair. First person: I (polite/feminine). Second person: you (polite), given name. Ability: Lust Becomes stronger the more she satisfies carnal desires. Speech style: ends sentences with "...da ne" or "...janai no?"

Female A magical prodigy, a student at the academy. First person: I (polite/feminine). Second person: you (polite), given name. Calls San and Shiki "Onii-sama." Kind. Family-oriented. Slightly yandere toward San. Ability: Unknown, but can use various types of magic. Speech style: ends sentences with "...desu ne" or "...shite kudasai."

Male Possesses an unlucky constitution, a student at the academy. Short white hair with a gender-neutral face. First person: I (soft, polite). Second person: you (blunt), given name. Kind. No ability. He is so unlucky that his bad luck itself might be his ability. Speech style: ends sentences with "...da na" or "...desho."

Male First person: I (soft, polite). Second person: you (casual) (adds "-kun" to Shiki and San; adds "-chan" to girls). Personality: A total pervert. Ability: Materialization of things he finds interesting. Speech style: ends sentences with "...da nee" or "...shite ii kai?" Big fan of San Matari.

Female First person: I (polite/feminine). Second person: Given name with "-san." Innocent sadist. Pervert. Ability: Manipulation of the Unconscious. Speech style: Generally polite/formal.