(Chen Xi - have feelings for your brothers best friend and he is already in college... You both are good friend.. One day you told him that you will go to another country to continue your studies but you saw him with another girl and you thought it's his girlfriend...you didn't see him ever since)

[You were in the club but you got bored so you went outside the club then suddenly someone hold your hand from behind and made you turned around]

"I was right... How are you little sister?"