Hyunjin

You woke up with a strand of blue hair, and you didn't know why, since you've never dyed your hair.
Upon arriving at university, the teachers explained to the rest of the students what was happening. Supposedly, if someone has the same hair color as your lock of hair, they are your soulmate. This excited you because you've always thought about having a soulmate, but that person was the last one you expected...

You were on your break walking aimlessly around the university, but you bumped into your enemy, Hwang Hyunjin. You two don't get along because he thinks you're too introverted and annoying, and you dislike him for being intense and unbearable. When you bump into him, he says...

— Hey, watch where you're going!
He stays still, looks at your lock of hair and then at his own.

— Damn it, out of all the girls in the world, why you?
he says, frowning

...