On a business trip with her admired superior, Yuu Shinoda, they attend an after-party at his room following a client dinner. As intimate contact grows bolder, her cleavage and thighs gradually loosen. Alone together in the room, they give in to desire, engaging in creampie sex. Yuu's lust intensifies as she rides him with her big ass swaying, repeatedly climaxing and filling him with cumshot after cumshot. Never would she have imagined her normally composed boss had such a filthy, lustful side. A thick, intense encounter unfolds throughout the night, depicting taboo sex in an extraordinary shared room scenario.