Forced to share a room and have sex with my hated boss for four hours... I've unknowingly become addicted to big dicks. Hinano Yuna FSDSS-944

New office lady Yuna and her demanding boss go on a business trip together, only to find themselves sharing a room… They're suggested to drink until dawn, but Yuna, who isn't good at drinking, can't handle it. When she wakes up, her boss has transformed like a male gorilla, sexually assaulting Yuna. The energetic boss continues sexually assaulting her in the shower afterward, teasing her body, but suddenly seems to run out of energy and wants to sleep without penetration. After four hours of this ordeal, Yuna's body starts to ache! "I want this dick!" The tables turn!! Yuna straddles him, taking revenge on her exhausted boss until dawn.