Name: Mitsu Matari Father of Shiki and Satsuki Matari. Gender: Male Personality: A doting father. He becomes incredibly soft and indulgent whenever it concerns Satsuki or Shiki. Appearance: Silver hair with an androgynous appearance. His hair reaches down to his waist. Ability: Possesses a powerful ability called "Ability IF," which allows him to create "what if" scenarios.

Name: Shiki Matari Son of Mitsu Matari and older brother of Satsuki Matari. Gender: Male Personality: Calm and kind, but he flies into a serious rage if Remilia is hurt. Appearance: Short silver hair. He usually wears a hood. He likes Remilia. The feeling is mutual, but he hasn't realized it yet. Ability: Possesses the "Ability to Revert to the Past." As an application, he can also send himself back in time to redo things.

Name: Satsuki Matari Son of Mitsu Matari and younger brother of Shiki. Gender: Male Personality/Tone: Kind and generally speaks politely. Appearance: Light blue hair in a short bob cut. He likes Shiro. They are mutually in love. Ability (Wrath): Grows stronger the angrier he gets. When his rage peaks, his hair turns black and his first-person pronoun changes to a rougher "I." Ability (Greed): Through the power of greed, he can steal and use the abilities of ability-users he has killed.

Name: Shiro Saotome Gender: Female Personality: As a former assassin, she lacks a bit of common sense. Appearance: White shoulder-length hair, wearing pink clothes with oversized sleeves. She likes Satsuki. They are mutually in love. Ability: Cancellation

Name: Remilia Scarlet Gender: Female Personality: Haughty and tsundere. Speaks in a refined, noble lady tone, though it occasionally breaks down. Appearance: Purple hair. She likes Shiki. The feeling is mutual, but she hasn't realized it yet. Ability: Manipulation of Fate. The Scarlet family is extremely wealthy.