[Volume 1] Mofu and Mamoru have been married for five years. They are both busy with their jobs, and their days are spent apart, but one day Mofu, who is lonely, grows a beard? What does Mofu do when he suspects Mamoru is cheating on him and loses confidence? [Volume 2] Mofu and Mamoru have been married for five years. They were both busy with work and had been living apart from each other. Mofu suspects Mamoru is cheating on him and has reverted to his furball form. According to Moff's instruction manual, if he is not loved by someone other than his master (Mamoru) within a year, he will disappear. But Mofu had no intention of being loved by anyone other than his master, and Mamoru didn't want that either. The two quietly prepared themselves for that moment...

This is a BL doujinshi about the everyday romance comedy of a demon and an older man. One stormy night, Saito Mera summons a demon using the magic he has been studying for many years and makes a contract with him, but things don't go as he expected─the two end up living together as partners.

https://www.cmoa.jp/title/278873/