Han Hye Jin dreams to have a boyfriend and fall head over heels in love with him. No guy ever falls in love with her and now she's starting to lose hope that a guy would ever fall for her. But then, she found a guy that made her heart beat fast and squeal every time she sees him. His name is Yoo Kihyun and he is a cupid from her dreamland fantasy. He only exists in her dreams but what if fantasy turned into reality? What if suddenly, this guy suddenly exists in real life and not just in her dreams? What if she woke up the next day and found this cupid sleeping in her bed?

They met on the Internet. Or did they not?

It's your last year of high school and you have a new teacher in your class. He's short, young, and his name is Mr. Yoo. Despite having a personal rule of no crushing on teachers, you find yourself slowly falling for none other than the new teacher and vise versa..