My wife gave birth and was raising a child, and I suddenly realized that we were sexless. It's certainly tough, and I'm helping out, but even when I ask her out, she says she's tired and refuses. Then my mother came to Tokyo to see her grandchild. It was a long time since we last met, and I was happy to see my mother smiling, but I couldn't help but notice her chest as she gazed at her grandchild. That night, I saw my mother taking a bath. Her body was a little saggy, but I couldn't contain my excitement at her pink, shining nipples. Late at night, I reached for the door to my mother's bedroom, quietly snuck in, pulled back the covers, and started tormenting her body...