Forever Him : true beauty

The Golden trio of Their school untill , one of their best friend pass away, wich caused a drift in their friendship . One became the bad boy trouble maker , the other turned was the Cold ruthless handsome one , but what about the last one ?

Wanna find out ?, keeping reading and I'll tell you all about him.

Context : I do not own the characters in this kdrama as well as this kdrama itself, I only own the character I made up.