Gibo kaasan to hanjuku musuko

義母かあさんと半熟息子

Also known as 童貞浪人の春 若義母の匂い, The Spring of a Virgin Ronin: The Scent of His Young Stepmother, Dôtei rônin no haru: Waka gibo no nioi, Stepmother and Sexually Immature Son

Yuichi, a young man studying for university entrance exams, steals his mother-in-law Yumiko's underwear; sniffing the scent fuels his sexual arousal and fantasies. As his desire for Yumiko intensifies, he finally plants a camera in the bathroom to secretly film her urinating...