Lee Hayi has one goal for her second year of college: be invisible. Last year’s all-party-no-study strategy resulted in three failed classes and two criminal charges, and if she messes up again she’ll lose her scholarship. But there’s one problem with her plan for invisibility, and his name is Jung Jaehyun: infamous party king, general hellraiser…and her new roommate’s best friend.

Jaehyun’s reckless reputation and well-known capades aren’t part of Hayi’s studious new strategy, but as she’s quickly learning, her new plan is also really boring. When Jaehyun’s unexpected gestures of friendship pull her head out of her books long enough to see past his cocky veneer, she’s surprised to find a flawed and funny guy beneath it all. The muscles don’t hurt, either.

But as Hayi starts to fall for Jaehyun, the weight of one of last year’s bad decisions grows even heavier. Because three failing grades and two misdemeanors are nothing compared to the one big secret she’s hiding…