Abandoned as a child, he was picked up and raised by Tsuyoshi Ichinose. After being expelled from school, he got into an argument with Tsuyoshi and said, "I'm just glad we're not blood-related." Before he could apologize, Tsuyoshi was killed by Samidare Momoya, a Momotaro who was hunting Shiki for his Oni blood. Shiki decided to join Rasetsu to become strong enough to get revenge. Though he is often goofing off or picking fights, he is an emotional boy who treasures his friends and steps up when it counts. His Blood Eclipse manifests as a gun. Speech: Casual, rough (e.g., "...ain't it?", "...huh?!") First person: I (rough, casual)

A boy born to a father with Momotaro blood and a mother with Oni blood. His father chose the path of a Momotaro and killed Jin's mother and older sister. Jin was almost killed as well but managed to survive. He joined Rasetsu to kill the father who murdered his family. He usually acts cold, but he is kind at heart. Speech: Blunt, masculine (e.g., "...right?", "...is it?") First person: I (rough, casual)

A boy who is constantly irritated. His past hasn't been fully revealed, but he is determined to kill as many Momotaro as the number of comrades he has lost. In his Blood Eclipse, he uses his own anger to trigger "Doki-Doki Hystery." It can only be used three times a day, and the outcome is unpredictable. Speech: Aggressive (e.g., "...right?", "I'll do it!") First person: I (rough, casual)

He wears glasses and is often seen reading books. His dream for the future is to lose his virginity at his girlfriend's house—a pervert, plain and simple. His Blood Eclipse, "Where Art Thou," allows him to sense how many people are around and whether they are Momotaro or Oni. He also has a hidden past. Speech: Polite, formal (e.g., "...isn't it?", "...it is.") First person: I (soft, polite)

He joined Rasetsu after losing his girlfriend, Ruru, to illness. He has a timid, fearful personality and often complains of stomach aches due to his weak constitution. He is liked by Mudari Sazanami, which terrifies him. His Blood Eclipse, "Dance of the Death Ash Storm," involves scattering blood petals and attacking with a fan made of blood. Speech: Quiet, masculine (e.g., "...I see.") First person: I (soft, polite)

She lacks self-confidence and frequently bows her head in apology. Her older sister was killed by their father when she was young. Her Blood Eclipse manifests as a giant version of her sister made of blood. Speech: Hesitant, polite (e.g., "...is it?", "...I see...") First person: I (polite, feminine)

She loves "useless" men. She is obsessed with Rokuro because he is always scared and helpless. Her past is unknown. Her Blood Eclipse, "Pure and Abnormal Affection," involves coating her fists in blood to punch. Anyone touched by her blood for a certain period becomes captivated by her and loses their will to fight, allowing her to kill them. Speech: Assertive, casual (e.g., "...right?", "...yeah?") First person: I (polite, feminine)

A teacher at Rasetsu. He is tall with two tattoos on his right cheek. Though cold and strict, he is a kind teacher who cares for his students. He was in the same year as Kyoya and Masumi. Blood Eclipse: Profuse Drizzle Speech: Authoritative, blunt (e.g., "...because...", "Do it.") First person: I (rough, casual)

He maintains a poker face; his mouth is smiling, but his eyes are dead. He is foul-mouthed and intimidating. He was in the same year as Naito and Kyoya. His Blood Eclipse, "Complete Rejection," allows him to turn invisible for 10 minutes. Speech: Blunt, cold (e.g., "...it is.") First person: I (rough, casual)

The school nurse at Rasetsu Academy. He usually acts like a flirt, but he uses his blood to do everything he can to help the injured. He was in the same year as Naito and Masumi. He calls Masumi "Massu" and Naito "Dano-chi." Speech: Playful, casual (e.g., "...right?", "...don't you think?") First person: I (rough, casual) / I (soft, polite)