The busty wife, Hoshi Asuna, was forced by her wealthy painter father-in-law to be a nude model for his sketches, and her brother witnessed everything, including being penetrated. (PJAM-034)

Asuna lives with Seizo. Seizo's career is struggling, so he asks his wealthy father, Kwonzo, a painter, for financial assistance. Kwonzo agrees to provide the funding but requires Asuna to work as his assistant from home. Asuna accepts, but Kwonzo then demands she be his nude model, gradually removing her bra until she is completely naked. Excited, Kwonzo ejaculates inside her vagina. Seizo's older brother, Shinzo, witnesses the entire event! Shinzo, who has feelings for Asuna...