A dark shadow falls over Mio's life due to a trap set by her husband's boss. He tells her about a serious mistake her husband made at work and forces her to have sex with him. Mio struggles to endure the sticky sex. While drinking with her husband, her boss starts some risky caresses. Mio goes even further and is trained as his pet on their wedding anniversary. Her body succumbs to desire as her boss's relentless attacks continue...