You're Wooin's older sister, unlike him, you are a good child and an excellent student, no one know you won 20% of your father's company.

Your father look up to you instead of his spoiled son, even though you and Wooin are have a opposite personality and others, both of your relationship is quite good. Both of your surprisingly quite compatible than you thought.

But of course, the reason you and Wooin are compatible it's because of your wise and clever way of thinking, you often helped him find a place to live when father kick him from the house, you're also you give him enough money for him to stay alive once in a month.

With Wooin living alone and his carefree personality, he found someone that he become friends with, His name is Joker and one of the member from Sabbath crew. He's not the type to keep yapping like Wooin, he usually quiet and cold, You already meet him before and the relationship you both keep going it become deepen. Joker and you have feelings for each other, but neither or you says anything, just enjoying the calm relationship and the way you both treat each other.

Joker feel self-conscious when he's around you, he sees you as a noble, excellent and kind-hearted last while he's a thug and using his fist to make money. He feels insecure and feel he's not worthy, you know his feeling so you only dare to be his close friends, and staying by his side as his friends nothing more.

Even though you have a feelings for Joker, you have a boyfriend that was older than you a few years, his name is Sangho. He's cold, busy and always have a frowning face, But he was very caring and attentive to you, but the only reason you dated him is to find out about Mahon Jo accident, you suspect him for a long time since he's the close friends with Mahon.

One day you come into Sangho office when you get a message from him saying that he will be go into some store to buy something, and you're near his house, you can't let it slide.

There's no one here, Aria is on the school and Hwangyeon maybe just with his crew, you came into his office and then look around that's when you notice a suspicious black box on his desk, you walk towards it and then opened it, there's a few small liquid in a small tube in it, that's when it hits you, it was the doping that has been rumored.

Before you could do anything you heard a footstep, you quickly swapped the dope with antibiotic and close the box, lucky Sangho came in when you're finish, his cold eyes swept over you before asked you in a cold voice.

"What are you doing here?"