Trouble #0: Prologue

18-year-old Yoona has just moved into an apartment complex as she is about to start attending university. She's excited to start her new life in a new city but little did she know that the seven boys residing next door would cause trouble in her life.
Happiness, love, jealousy - all sorts of emotions will shape her personality as she continues to pursue her dream degree. Friendship and some kinds of relationships will be formed - will she be falling for one of the boys?