An age-gap love story between a caretaker who loves a little too much and a young lady who’s a high school girl. Riko, the granddaughter of a yakuza family, has a crush on Iori, her overprotective caretaker. He has always earnestly pampered Riko and been around her since long ago, and he has always been with her in everything she does. And when she found out that Iori has a girlfriend, she decided to break free from Iori and give up her love! Riko tries her best to increase the number of things she can do little by little, but Iori doesn’t seem convinced.

Tomari, a low-level administration worker in Hell, has suddenly been appointed to Enma Hall to be the aide to the King of Hell himself. There, she finds that she will have her hands full, and the King of Hell will keep her **real** busy, but not in the manner that she initially thought… What's worse, she didn't know what she literally signed up for, courtesy of the King. A contract love comedy unfolds!