Mother-In-Law, You're Much Better Than M-My Wife... Hiromi Kishikawa

Weekend. Shintaro, a hardworking company employee living with his wife in a certain part of Tokyo, managed to get a rare extended vacation, so he decided to visit his wife's family home with her. Upon arriving at his wife's family home in a medium-sized city with moderate urban development, his wife's mother soon warmly welcomed them. And, at his mother-in-law's voluptuous feminine curves, the son-in-law gulped involuntarily.