Newbie OL Yuna is forced to share a room with her domineering boss on a business trip. They're supposed to drink all night, but Yuna, who can't handle her liquor, gets wasted. When she wakes up, her boss, who's transformed into a raging beast, takes advantage of her. Even after sex, the insatiable boss keeps going at it in the shower, playing with Yuna's body. Suddenly, as if his batteries died, he tries to sleep without penetration. After four hours of relentless action, Yuna's body starts to ache! "I want more of that cock!" The tables turn as Yuna takes the initiative, straddling her exhausted boss and riding him all night long.