Umji always experienced bullying because not all people see the real beauty in her. She keeps on ignoring other people harsh comments on her but they're being too much so she decided to commit a suicide one day.

But instead of ending her life, she found a stranger that looks inhuman and acts like a weirdo that she named Eunha who made her appreciate the beauty of living in this cruel world.

Umji doesn't want to fall in love with Eunha though cause she doesn't know if that girl is really human or not.

Can Umji stop herself from falling in love with Eunha or not? And most of all, is Eunha a human or not?