Min Jin Ah was the girl you would thought that couldn't hurt a fly , so fragile and naive that you could even cheat on her that she would not even notice. Sehun thought that too, he got bored with her and moved on with another girl. It took a little help from someone to let Jin Ah know Sehun was cheating on her. What happened to the fragile girl when she knows how awful her were to be boyfriend cheated on her? And who is this person who sent her the