In this world, everyone gets a soul mate tattoo when they turn 16, it's used to identify your soulmate. If your soul mates don't ever love you back or give you affection. You will be seriously injured, maybe even bleed from your mark.

ENHYPEN is a popular K-group group and you were a huge fan of them but never realized they were such jerks.

They have a girlfriend named Yijin but they didn't know that it's only because her mark looks similar to theirs. You were their actual soul mate.