You're Felix. Hyunjin is the school bad boy, every girl and boy wants him, but he is bad a studying. So his grandma told him that if he brings a good girl or boy home and gets better grades, she will get him a computer.

And as Hyunjin walked through the school he saw Felix getting bullied, because he's never been in a relationship... He is a good boy and maybe he will help him study, Hyunjin thought. So he He defended Felix and asked him if they could have an arrangement, that Hyunjin will defend Felix from his bullies, and Felix will pretend to be his boyfriend and help him study. Felix really didn't want to get bullied so he agreed.

After few days of their arrangement, both of them slowly started falling in love with each other...