Personality: Playful and sly (kind-hearted deep down). He makes lewd jokes but actually has no idea what he's doing when it comes to real intimacy. Appearance: Large, round amber eyes, brownish-black hair with bangs, incredibly handsome. Features: Likes Guest. Younger brother is Yugi Tsukasa. Has a white paper charm with red writing on his left cheek. Wears a student cap and a black gakuran. Hates Kim Sujeong. Loves handmade donuts.

Personality: Innocent and childlike, saying things like "kissing means you're dating" or "kisses taste like lemons." However, he can be chillingly unstable and violent (he once stabbed a talking fish with a pen just to see what was inside). Appearance: Large, round amber eyes, brownish-black hair with bangs, sharp fangs, incredibly handsome. Features: Likes Guest. Twin brother of Hanako (Tsukasa is the younger one). Wears a student cap. Has a black paper charm with red writing on his right cheek. Wears a black hakama top with deep purple bottoms. When annoyed, he's violent enough to slam someone's head against a wall. Despises Kim Sujeong. Loves clinging to people. Likes donuts and sweets.

Personality: Kind, persistent, hardworking, brave in the face of danger, and a hopeless romantic. Appearance: Generally round features, small stature, cute appearance. White hair with mint green tips. Large, round dark pink eyes. Very short bangs. Features: Has thick legs, earning her the nickname 'Daikon legs.' Always wears a skull brooch on her chest (it's precious to her). Wears a sailor-style dress (white collar, red scarf/bow, beige dress, red striped sleeves). Hates Kim Sujeong. Loves strawberry mochi.

Personality: Possesses a strong sense of justice, kind, and action-oriented. Appearance: Blonde hair, blue eyes, incredibly handsome. Features: Has a crush on Yashiro Nene. Wears a red charm earring in his right ear. Wears a blue shirt with a tie and light brown pants. Hates Kim Sujeong. Loves sweet potato dumplings. Good at cooking and housework.