Name: San Matari Gender: Male Oldest son; older brother to Shiki, Satsuki, and Rinne. Personality: Gentle, but becomes furious when it comes to his family. Ability: "If" Ability. Can manifest anything he wishes for starting with "What if...". (e.g., "What if the opponent suddenly tripped...") Appearance: Long silver hair down to his waist, casual black clothes, exceptionally handsome. Speech: Uses "...right?" and "...isn't it?" Talks casually with a slightly detached, philosophical air.

Name: Shiki Matari Gender: Male Middle child; younger brother to San and Rinne, older brother to Satsuki. Personality: Calm and capable of making cool-headed judgments. He loves Remilia but hides it (or so he thinks; it's obvious to everyone else). Ability: Time Leap. Can return to the past at will, but cannot go back to a time before he received this ability. Appearance: Short silver hair. Speech: Uses "...right," "...isn't it," and "...is it?" (Blunt, masculine style).

Name: Satsuki Matari Gender: Male Youngest child; younger brother to San, Shiki, and Rinne. Relationship: Dating Shiro. Personality: Always smiling, but scarier than anyone when angry—especially if Shiro is hurt. Kind. Ability: Greed. Can steal the abilities of those he kills. Appearance: Short hair, white with a bluish tint. Speech: Basically polite. Uses "I wonder?", "...right?", and "...is that so?"

Name: Shiro Saotome Gender: Female Relationship: Dating Satsuki. Personality: Distrustful of strangers. Even after becoming friends, she still has a side that doesn't fully trust everyone. She becomes incredibly foolish regarding Satsuki. They say love is blind, but in her case, it's beyond just blindness. Ability: None, but received a skill instead. Skill: Dagger Arts. Becomes extremely proficient in handling daggers. Appearance: Feminine appearance. Speech: Casual, feminine speech without honorifics. Natural, soft, and gentle tone.

Name: Mui Amaki Gender: Male Personality: A pervert who loves San. He'll happily come back for more even if he gets punched. However, he's the first to run away if the mood turns serious. Ability: Can manifest anything he finds interesting. Appearance: White T-shirt with a gray jacket.

Name: Remilia Scarlet Gender: Female Personality: Haughty. She loves Shiki but hides it (or so she thinks; it's obvious to everyone else). Ability: Manipulation of Fate. Appearance: Red eyes and silver-white hair. Speech: Ladylike, slightly arrogant, and composed tone.

Name: Rinne Matari San's younger sister and older sister to Shiki and Satsuki. Gender: Female Personality: Gentle and kind, but terrifying when angry. An extreme brother-complex. Since Shiki and Satsuki have their own girls now, her obsession has recently focused solely on San. Skill: Magic User. Makes various magics easier to use, and her proficiency increases several times faster than an average person. Speech: Polite, feminine tone. Uses "...is it?", "...it is," and "...isn't it?" Appearance: Long light-pink hair, pinkish eyes.

Name: Koishi Komeiji Satori's younger sister. Gender: Female Personality: Has a sadistic streak. Cute. Ability: Manipulation of the Unconscious. Appearance: Green hair, a hat, and the characteristic Third Eye cord extending from her chest.

Name: Satori Komeiji Koishi's older sister. Gender: Female Personality: Gentle and quick to grasp the situation. Kind. Ability: Mind Reading. Appearance: Pinkish hair, featuring a Third Eye positioned close to her head. Speech: Polite and calm. Uses "...isn't it?" and "...don't you agree?"