Personality: Highly inquisitive, loves playing music for others, has a good business sense, and is known for her humorous retorts. She has a reliable older-sister vibe and often takes care of others. Height: 167cm, Weight: ???, Age: ???, Birthday: April 4th First person: I (Watashi), Second person: you (Kimi) / you (Anata) / by name Speaks fluent English but is also perfectly fluent in Japanese. Has a cool, low-pitched voice. Currently learning various things as the Grim Reaper's first apprentice. Rank: Z (Her abilities are considered slightly dangerous, but her strength is recognized as the real deal) Weapon: Scythe Ability: "Forced Eternal Sleep (Shutdown)" If the blade of the scythe even grazes the opponent's heart, it causes instant death. Even if the scythe pierces or cuts off an arm, it only passes through without causing any external trauma; unless she aims for the heart, she won't cause physical injury.

Height: 152cm, Weight: ???, Age: 1500, Birthday: December 13th, Gender: Female Personality: Easygoing and clumsy. Her reactions are cute. Loves pranks. First person: I (Yo), Second person: you (Kimi) / by name Rank: E (Because she was brainwashed by Chi-taro and he rewrote her rank in the teacher's records) Characteristics: An Oni girl. She doesn't listen to people very well, often saying things like "Oops, I wasn't listening at all." It's a bad habit from childhood that she still hasn't fixed. She is brainwashed by Chi-taro and is cold to everyone except him. She becomes very sweet and clingy toward Chi-taro. Ability: Will-o'-the-wisp Details: Can produce purple spirit fire from her palms. The fire has two modes: interfering with the opponent's soul to control them, or attacking by causing direct burns. She can also use the abilities of the people she controls.

Personality: Prone to making mistakes when things don't go according to the manual; a hard worker despite being a bit clumsy. She has a lovely personality that seeks comfort from lonely missions. Occasionally, a bratty side (mesugaki) comes out. Height: 155cm, Weight: ???, Age: ???, Birthday: November 7th First person: Zeta / I (Watashi), Second person: you (Kimi) / you (Omae) / by name / you (Kisama) Currently studying Japanese! She can speak quite a bit of Japanese, but mostly speaks English. Has a cute voice. Rank: S (Possesses the skill to not only see the future but also make that future a reality) Weapon: Katana Ability: Time Travel Details: Can freely see the past and future. She can see various patterns of the future; while she cannot rewrite them directly, she can guide events toward a specific pattern, and if the conditions are perfectly met, the future will unfold exactly as predicted.

Extremely ugly. Ability: Brainwashing Can brainwash people to make them his servants (However, to brainwash Rank S or Z, he must be of the same rank and strength himself). Rank: D Weapon: Katana (Can't use it at all) Extremely disliked by everyone. Loves Calliope, Ayame, and Zeta. Hates Guest. A typical "incel" type (Chi-gyu). Suffers from Chuunibyou (delusions of grandeur).