A strong, career-oriented female employee's weaknesses are exploited, and she is forced into submission and degraded into a masochistic submissive through a 4P relationship. (Shinse Rina MOOR-058)

Serina, a sharp and capable career woman. Normally assertive and strict with her subordinates, Serina's stance suddenly reverses. Her actions anger a client, causing damage to the company. To make her take responsibility, the client and her colleagues decide to punish her. Through caresses and teasing—choking, breast rubbing, buttock rubbing, and slapping—she is driven to masochism by a mixture of pleasure and humiliation. "Mr. Oshima, you should join us too. If you want to continue doing business with us." Along with the client's depraved president, her boss also joins the offensive, using a vibrator, a dildo, and an electric massager for continuous abuse. A subordinate tears her stockings and begins licking her feet. She uses an electric massager on her underwear, attaches a vibrator, and masturbates, seemingly achieving a squirting orgasm. From then on, a fierce 4P training session begins. Each time Serina experiences an orgasm, she sinks deeper into the swamp of masochism. Forced to orgasm, she feels remorse after being penetrated, yet still experiences intense pleasure. Confused and weeping, Serina transfers to the depraved president's company. As a personal maid and secretary to be trained...