The slutty nipple wife who was slept with by her childhood playmate in front of her husband / Mio Nosaki SAN-061

Mio marries her childhood friend, Yuto. However, she harbors feelings for her husband's childhood playmate, Ryota. Mio, with her masochistic tendencies, doesn't get along well with her similarly temperamental husband. One day, Ryota visits from the countryside, rekindling Mio's past feelings…