Jungkook accidentally messes with Taehyung & his squad. They destroy him & his brother, Hoseok, comes for revenge (the description is bad, but the story will be good) 

Junkai always had a harsh life. Getting beaten up by his father and being unloved. Yuan always stood on his side, even when Junkai took the wrong way.

Kim Taehyung always wanted to be an idol. One of the toppest stars. He decided to chase his dreams when he arrived in Seoul. Unfortunately things weren't as good as he dreamt of when the producer, Hoseok, wants to make him his no matter what.

Winwin is a new Chinese student who does his studies in Korea. It's hard for him, but he quickly meets a classmate, Taeyong, who offers to help him and he of course accepts. But Taeyong wants a favor in return. What will his favor be? Will Winwin accept it?