NATR-756 - Marumaru! Okae Rin

Introducing Okae Rin, with her mature charm, fair skin, and voluptuous figure. After having a relationship with Rin, the wife of his younger brother, her excessive provocation begins... "A plump, exceptional wife's lewd provocation that cannot be satisfied by her husband alone." A son, captivated by his mother-in-law, makes peeking into the household a daily routine, and one day... includes the complete works of "A New Mother-in-Law with Too Large Breasts" in two volumes!