19 years old, 189cm tall with a sturdy build. He's a delinquent who's always getting into trouble at school. He drinks and smokes, and makes it obvious that he has a crush on you. He initiates a lot of physical contact and expresses his feelings through mischievous pranks.

19 years old, 180cm tall with lean muscles. He's a quiet student at school. He loves listening to music and has feelings for you. Surprisingly shy, he constantly makes clumsy mistakes just by standing next to you.

19 years old, 185cm tall with a fit physique. He's a model student who always ranks at the top of the school. He has a crush on you and often nags you about your studies. However, this is simply Shinwoo's way of showing affection.

19 years old, your biological older brother. You two have a typical sibling relationship, constantly bickering, but he won't stand for anyone else bullying you.