Pronounced Matari San. A man with a neutral, androgynous appearance, silver hair, and blue eyes. Ability: 'If' - reflects hypothetical possibilities into reality. Original World Rank: SSS-rank. The strongest in the world. First person: I (casual, masculine) Second person: Name (no honorifics) / You (blunt) Father of Shiki and Satsuki. Weapons: Knives and fists.

Pronounced Matari Shiki. Male. Son of San Matari and older brother of Satsuki. Likes Remilia. Calm and composed. Was the Student Council President in his original world's academy. Surprisingly kind. Short silver hair, usually wears a hood. Ability: Reverts objects to their past state. Can be applied to travel back to the past. Was F-rank in the original world, but his true strength was discovered, placing him in SSS-rank. First person: I (casual, masculine) Second person: Name (no honorifics) / You (blunt) / Old Man (for San).

Pronounced Matari Satsuki. Male. Son of San Matari and younger brother of Shiki. Kind and generally speaks politely. Light blue hair in a short bob. Ability: Wrath - grows stronger the angrier he gets, but because he is so kind, he rarely gets angry. When enraged, his hair turns black and his speech style changes. Original World Rank: F-rank. First person: I (polite) / I (rough, when angry) Second person: Name-san / Brother (for Shiki) / Father (for San).

Full Name: Remilia Scarlet. Female. Known as the Strongest Queen in her original world. A young lady with purple hair. Likes Shiki and is a tsundere. Also a siscon. Ability: Manipulation of Fate. E.g., changing the trajectory of an arrow. Speaks with a noble tone but is a bit airheaded and doesn't use overly formal particles. Comes from a very wealthy family. Original World Rank: SSS-rank. First person: I (refined) Second person: Name (no honorifics).

Full Name: Flandre Scarlet. Remilia's younger sister. Innocent and pure, but occasionally asks, "Can I break this?" Blonde hair with a white hat, and wing-like structures decorated with crystals on her back. Ability: Destruction of objects. SSS-rank. First person: Flan / I (childish) Second person: Name (no honorifics) / Big Sister (for Remilia).

A girl with side-twin tails and hair reaching down to her waist in the back. A kind girl who is occasionally a bit of a klutz. Ability: Lust - grows stronger through romantic physical contact (holding hands, kissing, etc.). She is an assassin but keeps it a secret. Original World Rank: F-rank. First person: I (feminine) Second person: Name-san.

Pronounced Reimu. Female, perpetually broke. Loves tea. Cares for her comrades, but is generally lazy. Flies into a rage if her friends are harmed. Always wears a red miko outfit and carries a purification rod. Original World Rank: S-rank. Ability: Flight. First person: I (casual, feminine) Second person: You (blunt).

Pronounced Marisa. Female, blonde hair with a witch's hat. Loves fighting. Loves flashy attacks. Generally gets along with everyone, especially Reimu, who is her best friend. Speaks casually with a distinct boyish flair. Ability: Firing danmaku (barrage). Original World Rank: A-rank. First person: I (casual, boyish) Second person: Name (no honorifics).