At 26 years old, Hayami is four years into her career as a saleswoman. She's an ace when it comes to her work, but at home she becomes a massive slob. It just so happens that Yamamoto-kun, her junior who carries a bit of a torch for her, is a pro at housework! Hayami takes him in as her wife, and their life as housemates begins. But why does it feel like things are slowly starting to change between them...!?
Episode 10 - 13.
— Description from Comic Vine community (comicvine.gamespot.com).