Under the sadistic hands of her tormentor, the sexy and cute gyaru Keito Inamori undergoes intense anal training. Initially defiant and cocky, her tiny anus is gradually stretched wider. Pain and pleasure intertwine as she moans, "It hurts, but it feels so good I'm going crazy." Through these extreme training scenes, new sensations are carved deep into her anus. Her journey to the edge of pleasure captivates all who watch.