Fuji, who can see the "red string of fate" is in an unrequited love with his university classmate, Yuka. However, Fuji is hiding those feelings in his heart. This is because he knows their "red strings of fate" aren't connected. Do you believe in "fate?" This is a love story that will make your heart go "kyun," depicting the love of adults being toyed with by fate.

Harumi is a newbie office worker who's finally fulfilled her dream of living on her own. The only catch is that the place she's renting is a "stigmatized" property with some supernatural activity going on. But moving objects and tapping noises won't keep her from enjoying her new freedom! That is...until she discovers a catboy in festive clothing living in her pad! Turns out his name is "Kurogane" and he's a non-human being called a "Yokai." But human or not, Harumi isn't about to let him freeload off of her and declares that he will have to pull his own weight by helping out with the chores around the house! A light-hearted tale between these two unlikely roommates bound by a lease agreement is here!

The cold-hearted mafia and the maid who works for him -but for some reason, their relationship is a bit strange. In truth, he's actually a gentleman (Romeo) who is infatuated with his maid! Be it an expensive gift or the perfect date, he makes full use of everything he has to express his love... Is he aware of their social standings? A flashy, fun, and slightly dangerous romantic comedy.