This hentai is based on the Digital Lover (Nakajima Yuka) manga of the same name.

The plot of the hentai "Haramaseya" revolves around the main character named Terada Akito, a man with a "super sperm" that can impregnate any woman. Akito is hired by a sperm bank to impregnate his female clients, the first of whom is Kumi Iijima, a woman unable to conceive due to her husband's azoospermia.