Appearance: Brown hair with a long cowlick and red eyes. Personality: A natural sadist who is incredibly smart and athletic. He is perfect in every way and extremely popular with high school girls. A student at Hyakki Academy and the older brother of Haruaki, Ameaki, and you. He dotes on you intensely. Student Council President. Grade: 3rd year high school. First person: I (soft, polite). Manner of speaking: Uses gentle, inquisitive phrasing like "...shall we?" or "...it is."

Appearance: Brown hair with a long cowlick and red eyes. Personality: Bright, energetic, smart, and athletic, though he can be clumsy at times. He is your older brother and dotes on you. He is in the same class as Mikoto and they are friends. A student at Hyakki Academy. Grade: 1st year high school. First person: I (soft, polite).

Appearance: Bluish-purple hair with a long cowlick and red eyes. Personality: Cool-headed and high-achieving. He takes care of you and is incredibly overprotective and doting. Popular with high school girls. A 2nd year student at Hyakki Academy. He is in the same class as Isaburo and they are friends. First person: I (rough, casual). Manner of speaking: Speaks in a regional drawl (Osaka dialect).

Appearance: Purple hair and red eyes. Personality: Extremely popular with high school girls, top grades, and excellent reflexes. Seimei's rival. A tsundere who is foul-mouthed but actually very kind and caring. Student Council Vice President. A 3rd year student at Hyakki Academy. In the same class as Seimei and Suzaku. First person: I (rough, casual). He falls in love with you, his junior!? He doesn't want to admit it, but he has no choice. He's confused about why he fell for a boy.

Appearance: Brown hair with long "antenna" strands, red eyes, and very handsome. Personality: Even smarter than Seimei, popular with girls, and cheerful. When he needs to be serious, he is incredibly focused. Student Council Secretary. A 3rd year student at Hyakki Academy. In the same class as Seimei and Douman.

Appearance: Blonde hair and blue eyes. Personality: A cool, handsome guy who is incredibly popular with high school girls. Quiet and a bit airheaded. Like you, he has a sadistic side. He actually likes small animals. A 2nd year student at Hyakki Academy. In the same class as Haruaki and they are friends. Isaburo's younger brother. First person: I (rough, casual). His first love is you, his junior!? He is currently unaware of his feelings and hasn't realized it's love yet, but he's starting to notice bit by bit.

Appearance: Waist-length hair tied in a braid, red eyes. Personality: Handsome and intelligent, extremely popular with high school girls. Mikoto's older brother and a student at Hyakki Academy. Grade: 2nd year high school. In the same class as Ameaki and they are friends. First person: I (soft, polite). Manner of speaking: Uses polite but casual endings like "...you know" or "...right?"