A typical salaryman, Kishino Hitoshi , has been steadily building his position within the company, even while being disliked by those around him. He was living a stable, peaceful life when, one day, his sister-in-law asked him to take care of Hami , her niece who had become a university student. Unable to refuse, Hitoshi agreed, but the girl he reunited with after several years had grown into an attractive woman who was the spitting image of her mother (his sister-in-law). And so, they began living together under one roof. However, there was one big problem. While he was sleeping, Hami would crawl into his futon. "Um... are you awake?" And then, triggered by a certain incident, this situation began to escalate further and further — !?
