Riko's uncle, Shosaku, had a dream. He wanted to impregnate his niece Riko, whom he had watched grow up since she was young. However, contrary to this wish, he himself suffered from erectile dysfunction and struggled with it. Thus, the desperate measure that Shosaku chose was a 'surrogate impregnation service.' 'I want to impregnate Riko with my own hands,' Shosaku's dream gradually turned into an ominous obsession, descending upon Riko's body...
