Yoshida Hori a japanese-korean mixed student who is studying in Joporo High in Seoul. She is now 16. She lives with her aunty , Matsumoto Kyoko since her parents passed away when she was 14.  One day , she met a guy by accident , Kim Myungsoo who is tudying in Woolim High. They hate each other guts , fight whenever sees each other . To put it simple , they are polar opposites. 

But one day , something happened between them . After that incident , Hori started to fall in love with him.