Yukie MIZUKAMI, a daughter who aims to get too big of a wolf.
Yoji, who grew up in a facility and did not know the warmth of his family, was unfamiliar with the warmth of his wife's family. However, only Yukie, his nephew, treated him kindly. Yuji witnessed Yukie's masturbation one day. It was only a matter of time before the two men who were not satisfied with each other became jealous. The relationship between the two continued without family knowledge.