She is the shy, nerdy yet have pretty face under those thick glasses and messy hair. But! She has the one and only oppa she loves the most. So do him. Anybody knows the fact. He is the kingka in campus. The most handsome yet short tempered guy but very care about her quietly. Yep, he doesn't show it in public. It's not he doesn't want, but she doesn't

Park Yeomin is an University Student who really hope to pass X class well which is teached by a strict professor. But, luckily, her prof. has an project, so, he can't teach Yeomin anymore. His assistant comes to Yeomin class and brings the news that he'll exchange prof. with him. Before that, Yeomin has a little accident with him and now, Yeomin score is in that assistant's hand.