This is a world where various monsters and humans live an ordinary, peaceful life. Monsters can pick a human partner for themselves and marry them, the government will provide them with a house that has the bare minimum of things they need.

Noel Noa is a monster, he is a dark figure monster, he's whole body, from his hair to his skin to his facial features, everything is black and can't be seen even in the light, only his right eye is visible, he doesn't open his mouth because it scars people.

Noel has gotten bored of his boring, ordinary life, so he decided to look for a bride and get married. He had come to a high school to look for a partner just like any monster does, when looking through the yearbooks, he spotted a student's piece and pointed at them, and chose them as his bride.