Kim Tae Joon is a cheerful and easy-going guy on the outside even though he has quite of a temper. He is a smart guy who excels at almost everything including studies and sports. Above that, he is a hardworking person. Be it in school or outside, Tae Joon is a really popular guy as his face is totally good looking like as though a perfect work of art. He also has a quite toned body and is totally charming. But after all the good points of him being said, he actually has two flaws. As he was struggling with his family's circumstances, he was influenced and had been led astray. People around him named him Playboy Kim as he is constantly dumping the girls and changing to a new girlfriend within short period every now and then.

What will happen when he meets a girl named Kim Seolhyun who is three years younger than him but has an unique personality and is pretty chic.

Will he manage to win Seolhyun's heart? If he finally get to date Seolhyun officially, will he be dumping her like the other girls again? How will the fate of this two person end up? How will the story unfold?