Yumi Shiraishi, a top-performing office worker at a major corporation. Though she leads a blissful married life with her husband, she finds herself sharing a room with her much-hated middle-aged boss at a hot spring inn during a business trip. On the night they were forced to share a room to cut costs, the boss secretly slipped a sleeping pill into her drink, sending her into a deep sleep. He takes advantage of her limp, helpless body, groping and licking her breasts, forcing her into a blowjob, taking her from behind, and in the missionary position...

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