When Aya is suddenly asked to melt a certain KIm Jongin's heart, she had no other choice but to befriend him, especially since he was the one who saved her from all that bullying. But did trying to melt his heart mean going as far as to act as his girlfriend? Or be forced to become his fiancee? Or worse, what if they got married? There was a problem, because Aya didn't know how to love Kai. 

You were a tomboy, he was a kingka. You were a gangster, while he was popular You didn't believe in love, he had too much of it. But when he mistakes you for his girlfriend and accidentally kisses you, will chemistry happen?