NDRA-114 I'm secretly doing it with her mother... Yumi Yasuno

When his girlfriend got pregnant, Hiroshi decided to get married and is now married. Her mother lives alone in her parents' house in the same city... As it was her first pregnancy and childbirth, her mother was always taking care of her, and he had more opportunities to visit her house on his way home from the hospital... However, since she was pregnant, he was inevitably living an abstinent life, and he couldn't help but have an inappropriate urge to see his mother's baby bump under the same roof...!