Frustrated big-assed housewife "Miiro Nanasaki" gives sleeping pills to the man who comes to return her lost property, and then she sucks on the man's huge dick, thinking it's just a delusion, and releases her own sexual desire! The man, who knows nothing about it, is confused by the strange sensation of having lewd sex with Miiro Nanasaki, not knowing whether it's a delusion or reality! Eventually, Nanasaki Iroha confesses the truth, and writhes her big-assed, lewd body as she has intense sex with the big-dick man, climaxing over and over again!