JUR-636 A defenseless, noise-canceling, big-breasted housewife. A stalker approaches her silently from 30cm behind. Reina Momozono

Reina, a married woman who can't put down her headphones, still feels unfulfilled even after marriage. Whenever she recalls the passion she felt in the past, she creates her own world in music. Meanwhile, Atsushi, a young man who works at a convenience store, grows increasingly fascinated and obsessed with Reina, and before he knows it, her existence becomes his reason for living. As his admiration turns to madness and the line between reality and fantasy becomes blurred, Reina's "world of sound" gradually...