Soomi is an average student.  She loves to read, listen to music, and eat.  ^^  She goes to school with her over protective brother, Yongguk, and his friends, who happen to be kingkas.  Her brother scares away any boys who try to get near her and has his friends do the same.  Little does he know, the greatest danger is one of them!    

A story about a girl who everyone thinks is mean and rough.  Baekhyun accidently sees her true nature and encourages her to be true to herself.

This is a story about three friends who attend the Royal Arts Academy.  It's their senior year and, being at the top of their class, things should be easy for them.  But life has different ideas.  Things are about to change.  Will they be able to hone their skills and realize their dreams?  Will they find love?  Only time, and the "Diary of SYN" will tell. . .