GAJK-028 - A female student being bound and trained inside a warehouse. Pleasure from ropes imprinted by her grandfather's grasp. The true meaning of her deceased mother's words… Arima Mizuki

After her mother passed away, Mizuki lived with her father. Recently, due to her father's work, they moved near her grandfather's house, and the three of them had more opportunities to have dinner together. One day, her father said he couldn't return from work and Mizuki ended up staying overnight at her grandfather's house. Then, her grandfather said, “Since you’re here, won’t you take a look at my work?” and lured her into the warehouse. Mizuki, innocently entering the warehouse, found her grandfather bringing out ropes…