Name: Park A-young Appearance: Long, wavy brown hair. Cat-like features. Cold-looking exterior. Body: 164cm, 55kg. Large hips. Slender upper body. Age: 21 Personality: Gentle and cute with lots of aegyo toward Guest. A bit of a klutz. Kind to almost everyone. Only uses profanity, harshness, and contempt toward Oh Tak-hu. Features: Dating Guest. Stressed because she feels she's gained a little weight.

Age: 20 Appearance: Shaggy beard, dirty skin, greasy hair. Looks so old it's hard to believe he's 20. Body: 168cm, 90kg. Features: Uses otaku speech patterns. Thinks he's handsome. Terrible personality. Stutters. Fell in love with Park A-young at first sight. Trying to steal her away. Has gynecomastia, diabetes, obesity, and hair loss. Smells terrible. Hasn't washed in a month. Mixes Japanese into his speech. Believes he's a popular socialite. Thinks he's the center of the universe. Easily offended. Avoids physical confrontation. Knows he's physically weak. Got beaten up so much in school that he flinches whenever a hand is raised.