GAJK-027 A schoolgirl is tied up and trained in the storehouse. While her father is away on a business trip, she discovers an unknown world at her uncle's house. An innocent body is developed and captivated by pleasure. Himari Aizuki

While her father is away on a business trip to America for a month, Himari ends up living with her uncle. There are no problems living together with her kind uncle, but the only thing that worries her is the storehouse, which she has been told not to enter. One day, Himari sneaks into the storehouse while her uncle is away. There she finds a large amount of SM paraphernalia, including ropes, candles, and whips. Just as she thinks, "My uncle is a pervert...", her uncle appears from behind...