What happens when the one you love, suddenly left you with any notice? What will you do? Will you continue to move on with your life or find him/her back? 

Story featuring;

Lee Jongin (I changed it to Lee)

Kim Hyuna's boyfriend.

Loves Hyuna very much. 

Kim Hyuna

Lee Jongin's girlfriend.

Loves Jongin very much.

Leaves Jongin after knowing her illness. 

Kim Jaejoong

Kim Hyuna's older brother.

Loves his sister very much.

Very protective of his sister.

EXO K (Best friends of Jongin)

Suho 

ChanYeol

D.O

BaekHyun

SeHun