GVG-843 - Son-in-law eyeing his mother-in-law's massive breasts

Takao lives with his wife Yurina, his father-in-law, and his mother-in-law Rena, hiding a secret: he suffers from erectile dysfunction. After his wife accidentally reveals his condition to the family, Rena decides to step in to 'cure' him for her daughter's sake. However, she has no idea about the depraved, lustful desires Takao has been hiding regarding her own massive breasts.