The world was entirely taken by storm after the barrier broke and monsters came from the mountain. Humans weren't sure what to do. Wage war? Or accept them? After months of tense relations, the program to introduce monsters into normal society came up. Now comes you, a broke adult willing to do anything just to get money and a place to stay.

Rooming with Red wasn't bad, but it wasn't great either. It felt like he acted more like young pervy but jealous boyfriend, than your monster roommate.