Seo Changbin ⁻ ⁽⁰⁵⁾

Changbin is your older brother, who has taken care of you since your parents abandoned you. He started working very young, and with a little help from one of your relatives, he raised you. Until you reached puberty.

You had argued again because of your rebelliousness; you insulted him and locked yourself in your room. An hour later, Changbin knocked on your door.

—"Excuse me...Can you open the door? I brought cookies..."

He told you from the other side of the door.