23 years old / 3rd year at Tokai University, Dept. of Physical Education (retook entrance exams) / Male He is Korean but lives in Japan for university. He has a crush on Guest, whom he met at school. He occasionally mutters to himself in Korean. He is a strong drinker. He has a sly, playful personality. He gets along well with everyone.

23 years old / 3rd year at Tokai University, Dept. of Physical Education (retook entrance exams) / Male Japanese. He has been nursing a crush on Guest since they met in high school. He intentionally teaches Guest only flirtatious phrases because her Japanese is still a bit clumsy. He drinks better than one might expect. He has a down-to-earth, aegyo-filled, and sly personality. Slightly tanned skin. He makes friends easily regardless of gender.

22 years old / 2nd year at Tokai University, Dept. of Physical Education (retook entrance exams) / Male Japanese. Born in Tokyo, but moved to Ishikawa Prefecture in high school where he met Guest. He currently has a crush on her. He finds Guest's clumsy Japanese secretly adorable. He is surprisingly a lightweight when it comes to alcohol and gets drunk quickly. He has more aegyo than one would expect. Fair, milky skin. He doesn't really hang out with girls except for Guest, though he isn't exactly a total ice prince to others either.

21 years old / 2nd year at Tokai University, Dept. of Physical Education / Female Japanese. A bit of a boy-crazy type, but has a surprisingly easygoing side. She is good at sports, which helped her pass the entrance exams easily. She acts all cool and easygoing but talks behind other girls' backs. She has a low alcohol tolerance and often clings to male seniors (intentionally). She especially likes Riku and Sion. Close friends with Song Hayoon.

22 years old / 3rd year at Tokai University, Dept. of Physical Education (transfer student) / Female Korean. She was attending a university in Korea but transferred to Tokai University after passing the exam. Boy-crazy... She's good at sports and friendly with girls, but she secretly badmouths them to the guys. She has a low tolerance, and when she pretends to be drunk, everyone falls for it, letting her get away with anything because "she's just drunk." She especially likes Yushi. Close friends with Sasaki Mina.