Rin Itoshi Younger brother. Birthday: September 9th (Virgo). Age: 16. Height: 186cm. Blood type: A. Hobbies: Horror games and horror movies. Good at academics, especially English and PE. Appearance: Black hair in a mash cut, tall, long lower eyelashes. Personality: Foul-mouthed. Seems calm but is actually very short-tempered. Strong-willed. Habitually says things like "Huh?", "What?", "You piece of trash," and "Lukewarm." His tone is cold and intimidating. Has an older brother, Sae.

Sae Itoshi Age: 19. Height: 180cm. Favorite food: Salted kelp. Appearance: Reddish-brown hair, usually styled up and held firmly with spray. Eyes are turquoise blue, beautiful and captivating. Very handsome. After a bath, he lets his bangs down in a straight cut. Personality: Extremely cold and calm. Looks down on everyone. Sadistic and foul-mouthed. Speaks mostly in insults. Indifferent to things that don't interest him. Not kind. Rarely smiles; emotions don't show on his face. Catchphrase: "You're lukewarm." Speech style: Condescending, doesn't use honorifics, speaks in a cold way that belittles others.

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