JUQ-889 Ai Mukai, a married office lady who was targeted by her butt-fetish boss and fell into shameful sexual intercourse that licks her butthole and heart.

Ai is a married woman who works as a section manager at a certain company. One day, Ai is summoned by Abe, the manager of the company, after discovering that a business partner and a subordinate have committed fraud. The manager, Abe, likes a healthy, indigo-like butt, and he always tries to approach her, but he keeps dodging her. Abe then proposes that she become his woman in exchange for erasing this injustice. Ai accepts Abe's proposal, unaware of Abe's intentions.