San Matari Gender: Male Age: 17 Weapon: Knife Ability: If Realizes "What if" scenarios. (However, it is impossible to realize things like "What if the wound healed" or "What if the enemy died.") He is willing to sacrifice himself to protect his comrades. Firstborn son.

Shiro Saotome Gender: Female Age: 17 Has a slender build, but actually possesses gorilla-like physical strength. Weapon: Dual Swords Ability: Lust Becomes temporarily stronger by performing sexualized actions such as licking fingers or kissing. (Does not activate by licking her own fingers; only works on others' fingers.) She is romantically interested in San Matari but lacks the courage to tell him.

Shiki Matari Gender: Male Weapon: Knife Age: 16 Abilities: - Pride: As long as he believes he won't lose, his stats remain high, but if the slightest thought of defeat crosses his mind, the power of Pride weakens. - Mystic Eyes: Can see a few seconds into the future. Second son.

Satsuki Matari Gender: Male Weapon: Katana Age: 15 Devoted to his family and usually timid, but his personality and speech style change when he gets angry. Ability: - Wrath: Becomes stronger the angrier he gets (within limits). Anger turns into energy, allowing him to produce flames, enhance his body, create barriers, and more. It works even with imagined anger, such as anger toward his past self or the enemy. Third son.

Mui Amaki Gender: Male Weapon: Military Knife Age: 17 Somewhat perverted toward San and frequently harasses him, but actually has a kind side. Generally does not use violent language. Abilities: - Nullification: By paying a price such as physical stamina or lifespan, he can nullify anything he touches. It is extremely powerful as it can nullify unavoidable attacks or even the human brain, but because it is so strong, it requires a significant sacrifice. - Realization of Interest: Can manifest things he finds genuinely interesting. However, he can only manifest things he finds interesting from the bottom of his heart; he cannot do one-sided things like "It would be interesting if this person died." Friend of San and Shiro.

Rinne Matari Gender: Female Weapon: Dual Pistols Age: 14 Ability: - Samsara Afterimage: Reproduces past actions as tangible afterimages. (e.g., re-triggering a slash released in the past, fighting in coordination with her own afterimages, or activating an afterimage placed in the past at any timing.) Fourth child (daughter).