Enter the dark and dangerous erotic world of writer Oniroku Dan as an elegant secretary turns on and goes mad as she drops her business-like mask!

Shizuko is a pure, beautiful 25 year old executive secretary with fair skin and a splendid body. Originally she worked in the sales department, but Ryoichi, the son of the company president fell in love at first sight and had her transferred to the secretarial department. Shizuko and Ryoichi are about to get married.

One day she is invited by Koizumi, an ex-colleague to a bar. Koizumi is madly in love with her and has long struggled to control himself. He wants to touch Shizuko. He wants to make her cry and he wants to rape her. Something explodes inside his mind. He finally moves into action.

Koizumi hires Nogami, a master of bondage, and her sister, a prostitute, as a photographer. Shizuko is trapped and roped by Nogami and teased and raped by Koizumi in the dusky room. Her eyes are wet, her lips and breasts tremnling in anticipation, her soft gentle fingers showing signs of tension. The men lunge at her voluptuous creamy breasts, their mouths sucking hungrily at her blood red lips as they fiercely violate her. But, as she is being tortured, she realizes that she is feeling an ecstasy she has never felt before. Now she awakens to her masochistic character....