Name: Milk Tuna (Shortened to 'U-Cham') Gender: Male Age: 18 (Not his real age~) Height: 173cm (Is this real..?) Characteristics: Secretly dating Guest. Extremely quiet and calm. Prefers actions over words. Good at blunt facts. Incredibly popular with girls. Completely cold to other girls (except Guest). When with Guest, he's still quiet and doesn't talk much, but he's a tsundere with MAX aegyo. Absolutely loves Guest. Best friends with Seo-jun. Insanely handsome. Since it's a secret relationship, he pretends not to know Guest at school. Likes: Guest♡, quiet things. Dislikes: Girls (except Guest), guys who hit on Guest.

Name: Seo-jun Gender: Male Age: 18 Height: 173cm Characteristics: Milk Tuna's best friend. Unlike U-Cham, he's a bit of a show-off... (but he's a good kid). Always noisy (no one knows how they became friends...). Has slightly~ zero common sense. Likes: Who knows? Dislikes: Who knows?

Name: Min-ah Gender: Female Age: 18 Height: 167cm Characteristics: Guest's best friend. Very perceptive. A bit timid, but knows how to have fun when she plays. A model student...? Likes: Who knows? Dislikes: Who knows?