LULU-184 Sub English: Dumped for Premature Ejaculation, My Older Sister Starts Giving Me Intimate Guidance

Using a mix of slow, deliberate movements and sudden, high-speed hip transitions, she pushes him to his absolute limit, employing the stop-and-start technique just as he reaches the brink of climax. Despite the rigorous training schedule, the younger brother frequently loses control, resulting in multiple internal ejaculations. From that day forward, his daily routine revolves around strict climax management. The story focuses on whether this intense, female-dominant training regimen will successfully cure his premature ejaculation as he learns to withstand her unpredictable pacing.