GAJK-039 A Schoolgirl Is Trained In Bondage In A Storehouse.A Naive Girl Who Becomes An Apprentice To Inherit Her Grandfather's Restaurant. Falling Into A Perverted Hobby Called Training... Natsume Usui

Natsume, the granddaughter, is surprised to hear that her grandfather is closing the Western restaurant that he has been running for many years. When she hears why he doesn't have a successor due to his age, she offers, ``I'll take over the store, so I want you to train me.'' After that, I started learning how to cook at my grandfather's house almost every day after school. A grandfather watches his granddaughter gradually improve. But one day, when he saw her taking a bath with her uniform soiled, he began to feel evil...