This story is about how you and Taeyang, were dating each other. You broke up with him after seeing him kissing another girl. It's been a month since the break up and you start to have memories of you two. 

Kim Eun Mi

-22

-Ex-Girlfriend of Taeyang

- Used to be bubbly before the break up

Dong YoungBae/Taeyang

-24

-Your Ex Boyfriend

-Regrets being with another girl