Kana Narumiya x Bondage x Old Man! Kana lives with a perverted grandfather who learns ecstasy from binding and training her granddaughter... At first she resisted, but the more she was tied up and the rope bit her, the more her pleasure increased, and she was developed to seek a meat stick... Finally, my grandfather's friends also participated in the training, and the act escalated more and more, repeating the climax many times.
