One night, you were at a Club.. you are only 16 though.. there was this boy, he was your age. well, you had sex with him, because you guys were both drunk.. a few days later, you found out that you got pregnant. you panicked a lot, and you don't know who that boy even was. a few weeks later, you were at school and talking with your friend yuna. as the lesson starts, there was that boy again as everyone sat. the teacher said

"This is our new student Hwang Hyunjin! Introduce yourself please."