I'm a Married Woman, but I'm Doing It with My Daughter's Boyfriend

Miyuki, a married woman, is formally introduced to her daughter's boyfriend, Naoto. However, the young man's relationship takes a sudden turn when he is unexpectedly rejected by her daughter. Seeing his heartbreak, Miyuki steps in to comfort the devastated Naoto. This moment of vulnerability quickly escalates, leading the two into a secret and ongoing sexual relationship.