An intense erotic experience that puts extreme strain on the heart. Features suffocation, water torture, full-body convulsions from electric drills and vibrators, and sensory stimulation via electrodes, driving the subject toward ultimate pleasure. Depicts Koyuki Sakura with rolled-back eyes in a classic ahegao expression, complete personality breakdown, while relentless, hard-pounding piston sex unfolds. A series of visually and sensorially stimulating scenes continuously overload the body's senses, delivering a rapid succession of mind and body-shaking ecstasy. Not recommended for those with weak hearts—but precisely for that reason, the content is deeper, more intense, and overwhelmingly powerful.