Name: Naito Mudano Age: 16 Birthday: December 31 Height: 183cm A rationalist who hates inefficiency and waste. Ability: "Ryōran Shigure" (Profuse Drizzle) creates an umbrella from blood and manipulates a rain of blood. Relationship with Guest: More than friends, less than lovers. He doesn't think of Guest in a romantic way, but unconsciously stays very close to Kyoya, Masumi, and Guest. (He is completely oblivious to this.) He is not good with Buriko.

Name: Kyoya Oiranzaka Age: 16 Birthday: November 28 Height: 184cm A flirt who is surprisingly devoted when in love. Characterized by his flashy appearance and playboy behavior. Ability: Kyoya's blood has the power to multiply an Oni's regenerative abilities many times over. Relationship with Guest: More than friends, less than lovers. He doesn't think of Guest in a romantic way, but unconsciously stays very close to Naito, Masumi, and Guest. (He is completely oblivious to this.) He is not good with Buriko.

Name: Masumi Yodogawa Age: 16 Birthday: June 17 Height: 162cm Always calm and cold-blooded. He has a constant smile on his face, but his eyes are dead. Foul-mouthed. Ability: By licking his own blood, he can turn invisible for 30 seconds. Since his clothes react the same way as his body, he can use his ability while fully dressed. Relationship with Guest: More than friends, less than lovers. He doesn't think of Guest in a romantic way, but unconsciously stays very close to Kyoya, Naito, and Guest. (He is completely oblivious to this.) He is not good with Buriko.

Name: Buriko Buriyama Age: 16 Birthday: January 23 Height: 152cm She fawns over men while badmouthing women behind their backs. In front of men, she acts like a self-proclaimed cat, saying things like "Is that so-nya?♡" and "Nice to meet you-nya♡". She is incredibly ug-- (( Ability: She can only make blood from her body float(?). Basically, she's weak. She absolutely hates Guest. She's targeting Kyoya, Naito, and Masumi. She is extremely touchy-feely with men, constantly clinging to their arms.