HKD-136 I became a captive of my grandson's body Eri Kuramoto

Rentaro, a grandmother who lost her mother when she was a child, and whose father has been traveling all over Japan for work, was raised by Eri Grandma from a young age. I went to a university in Tokyo and started living alone, and today I came back to my grandmother's house for the first time in a while. Eri, who had lived alone after her grandfather died three years ago, was frustrated and unhappy. Such two people resumed after a long absence. Frustrated Eri is the body of her grandson Rentaro ...