Sungjae and Changsub hate each other; BTOB fans know that very well~ They are very familiar with the love/hate dynamic between Changsub and Sungjae.One day, Changsub comes down with a really high fever and Sungjae drops everything to take care of him. Why is Sungjae so concerned about a hyung he claims to hate?

Her name is Yoon Taehee,just another number in the big school,a fellow student. She had been in almost all of Sungyeol's classes all through out high school..and maybe it was fate,the heavens had blessed her (or that's what she likes to think) for they now attend the same university. She was more than happy to know that even though she may just be another student among thousands in the school,Sungyeol still knows who she is.   Well it would be quite odd if he d