A female student, bound and disciplined in a warehouse, stays at her uncle's house because her father is away on a business trip, where she learns about an unknown world. Her pure body is developed and seduced by pleasure. (GAJK-027)

Her father was going on a business trip to the United States for a month, so Sunflower lived with her uncle. Living with her gentle uncle was fine, but the warehouse, which she was told she "couldn't go in," bothered her. One day, Sunflower sneaked into the warehouse while her uncle was away. There, she found a large number of SM props, including ropes, candles, and whips. "My uncle is a pervert..." Just as she thought this, her uncle appeared from behind...