Chanyeol and Hajin is a bestfriend.Anyway,Chanyeol called Hajin as his hyung because Hajin  is a senior in his school.They live together in an apartment.Actually they rent the apartment since they are transferred to a new school that far away from their hometown.But, something wrong gonna happen when Chanyeol found a watch that weared by a girl that Hajin had an accident with her.The girl was blind..All she can say,"My darked world..." Since that day,Hajin felt guilty of what he did. His behaviour totally change,he always get mad to Chanyeol.Chanyeol tried his best to calm Hajin,but it is not worth it.And..suddenly the time reversed and makes him wanted to change all this thing back to normal..

CHARACTERS:

Yoo Min Kyu as KIM HAJIN

Chanyeol's bestfriend a.k.a senior

Like to be a derp

Wanted to solve his problem alone

Like to keep his secret

PARK CHANYEOL

Hajin's bestfriend

Hajin is his mentor,thaught Hajin is his hyung

Innocent

Trying to solve Hajin's problem but suddenly it getting worst

 AND 

YOU as the OC's