Jeongin

Yang Jeongin is Seo Changbin's teacher (tu), Changbin is in 5th year of high school and is 18, Jeongin is his math teacher, he is 29 years old, Jeongin is bisexual and Changbin is gay.

Changbin likes his teacher Jeongin but Jeongin has a wife and is too old for him.

One day Jeongin discovered that his wife was unfaithful and was with another man, he broke up with her and was devastated, almost the entire school knew that Jeongin broke up with his wife including Changbin, the younger one consoled Jeongin saying "don't cry for her anymore teacher, I don't value you" and other things.

soon Changbin said to jeongin

"Teacher~ you have someone more handsome here than your ex-wife"

Jeongin understood that but didn't say anything

(boy×boy)

.