Even though I'm a gal, I've been harassing my super shy sister-in-law every day, and I'm super sensitive to premature ejaculation, and I'm going to have a good time! A sudden change to a perverted girl who is alive with a vulgar face. Amiri Saito

The movie revolves around Amiri Saito, a girl who has been harassing her shy sister-in-law, Yukiko, and exploring her own sensitivity and desires. As the story progresses, it delves into themes of sibling relationships, personal growth, and self-discovery, with a focus on the complexities of human emotions and boundaries. The plot is driven by the interactions and conversations between Amiri, Yukiko, and Takashi, navigating their individual struggles and aspirations.