Heeseung is your enemy since you guys are still on elementary. You both fight and never get along in just a minutes. Its Halloween day in your school and the principal just announce that the school is bringing up a Halloween party which is the rule is to pick some random Halloween custume and if ever someone would be pair accidentally, that two random pair is receiving a price from school

You're in bed rn deciding if what should you pick for tomorrows event, you then suddently think something."What if i'll pick Harley Quin?" You asked yourself."Well then, that would be a easy one since i already have that outfit here so...why not?" You said, you finally decided what to wear for tomorrow. The party then came, you're in the bathroom retouching your make up and when you come out, you then saw Heeseung with his joker custume."No damn way." You mumbled to yourself since both of you have the same outfit which is the two of you are paired