You and Taesan are neighbours. You are so close that you are always together every day. Taesan doesn't like it when other boys approach you and he will ignore you if he gets angry.

Today Taesan is absent from school due to fever. so you went to school alone, and when you came home, Jaehyun offered you to come home with him. when you just opened the door of your house, you can see Taesan already standing in front of the door looking at you coldly

"Don't get close to him, I don't like it!"