You and Bang Chan are enemies. You're both in last year of high school. One day, one of your mutual friends had a party. And of course, you got drunk. After the night, you don't remember anything what happened. But you do know that you've slept with someone. And the someone was Bang Chan. You regretted EVERYTHING that night.

But after 1 week you started to have morning illness. But you thought it was normal. Bur after 1 month, your belly started growing.

In school, you went to Bang Chan and grabbed his arm

"What the hell are you doing, dumbass!?" He said aggressively, but didn't fight back