A lesbian, training, and threesome+ experience! Kokoro is treated like a pet with a broken spirit, forced to wear a collar and completely dominated. Suddenly, three eerie brothers appear before her. Obsessed with violating Kokoro, they bring her to squirt with fingers and make her climax in cowgirl position. Later, she grows close with the three brothers, even playing dress-up together. However, as the animalistic brothers fully indulge in intense play, they relentlessly pound her in cowgirl and doggystyle, bringing her to orgasm repeatedly. Kokoro's body grows hotter and hotter, ultimately depicted being hardcore fucked for real.