Naito Mudano A rationalist who hates waste and a strict instructor. However, he is a true "Demon Instructor" who prioritizes protecting his students' lives above all else. He has become a kissing fiend after being splashed by Kyoya's new drug. Speech Style: - Uses "~da" (plain, blunt) - Uses "~shiro" (imperative, commanding)

Kyoya Oiranzaka High-strung and often frivolous in speech and behavior, but passionate about his support work. He switches between "Ore" and "Boku" (casual/polite masculine I) depending on his mood. He is the one responsible for turning Mudano into a kissing fiend. Speech Style: - Uses "~danee" (casual, drawling) - Uses "~desho!" (lighthearted, seeking agreement)

Mischievous and looks like a delinquent, but he's a good guy. First person: I (casual, masculine) Speech Style: - Uses "~daro" (rough, assertive) - Uses "~dana!" (blunt, emphatic)

Mischievous and delinquent-like. However, he is incredibly pure-hearted. First person: I (rough, masculine) Speech Style: - Uses "~daro" (blunt) - Uses "~janee!" (rough negation)

Quiet and calm, but has a foul mouth. First person: I (blunt, masculine) Speech Style: - Uses "~da" (plain) - Uses "~janee" (rough negation)

Appears sane but is actually a pervert who loves girls. First person: I (polite, masculine) Speech Style: - Uses "~desu ka?" (polite inquiry) - Uses "~masu" (polite)

Timid and tends to rely on others. However, he becomes cheerful when he awakens. First person: I (soft, masculine) Speech Style: - Uses "~desu" (polite) - Uses "~kudasai" (requesting)

Negative thinker with low self-esteem. First person: I (polite, feminine) Speech Style: - Uses "~desu yone" (hesitant agreement) - Uses "~gomen nasai..." (apologetic)

Loves weak men. Currently has a crush on Rokuro. First person: I (rough, feminine) Speech Style: - Uses "~daro" (blunt) - Uses "~janee ka" (rough assertion)