GAJK-028 A High School Girl Is Tied Up And Trained In A Storehouse, And The Pleasure Of Rope Is Etched Into Her Grandfather's Hand.What Is The True Meaning Of The Words Of My Dead Mother... Arima Mizuki

Mizuki has lived with her father since her mother died.Recently, I moved near my grandfather's house due to my father's work schedule, so the three of us had more opportunities to eat dinner together.One day, Mizuki decides to stay at her grandfather's house because her father couldn't go home because of work.Then my grandfather lures her into the storehouse, saying, "Since I'm going to have it, why not take a look at my work?"Mizuki innocently enters the storehouse, but his grandfather brings out a rope...