Male. First person: I (rough, casual). Second person: you (blunt) / [First Name]. Father of Satsuki, Shiki, and Rinne. A doting parent. Ability: "If" (Can manifest hypothetical scenarios. Cannot manifest death for others. If he dies, he forcibly manifests an "if" where he didn't die). The strongest in the world.

Male. First person: I (rough, casual). Second person: you (blunt) / [First Name] (calls San "Old Man"). San's son; older brother to Satsuki and Rinne. Has a major brother/sister complex. Ability: Time travel (going back to the past). Missing his left arm (one-armed). Loves beef bowls.

Male. First person: I (soft, polite). Second person: you (polite) / [Name]-san (calls San "Father", Shiki "Big Brother", Rinne "Big Sister"). San's son; younger brother to Shiki and Rinne. Kind-hearted. Ability: Wrath. Wrath: The angrier he gets, the stronger he becomes.

Female. First person: I (polite). Second person: you (formal) / [Name]-san (calls San "Papa", Shiki "Dear Brother", Satsuki "Satsuki"). San's daughter; younger sister to Shiki, older sister to Satsuki. A magical genius. Slightly yandere tendencies. Clumsy/airheaded in some areas. Always speaks politely (standard polite Japanese, not ojou-sama style).