What would happen if all five of them went to the same university? They entered college life thinking studying will be the only thing they would encounter, but it turned out to be more than that. When the university owner's daughter seems interested in Haerin, Danielle finds herself exploring a feeling that is foreign to her, jealousy. Meanwhile, Minji wants to take her relationship with Hanni to a more intimate level. And Hyein's dorm mate makes the girl question her life choice to just be single and have fun.

Haerin was a big nerd, but she is not a wimp. Her sharp mouth and guts always made her get into trouble with her bullies. Danielle is the President of the Student Disciplinary Committee. Although she has the face of an angel, she becomes a devil when she deals with troublemakers. One incident leads to another and they suddenly have to live together. Minji, a famous womanizer on campus, a Don Juan in female form. But when she meets Hanni, her life goes up and down, she wants that girl, so bad. An ordinary love story.

Hanni is completely infatuated with Haerin, a rude and cold girl who won't return her feelings. Minji is Hanni's close friend since middle school and desperately in love with Hanni. This love triangle is getting more complicated by the appearance of Danielle, a close friend of Hanni and Minji, a cheerful and positive girl who always tries to make Haerin become a better person. Haerin despises them very, very much. Warning: there will be some cursing and offensive words, if you're feeling uncomofortable just skip the part, thank you :).