"Please go to the mixed bath alone and give a body wash to a male customer you don't know! If you do it in 10 minutes, you'll get a prize of 100,000 yen!" In fact, it was a mixed bath prank planned by a perverted husband who wants to see his wife in a sexy state and his staff! Suddenly, male customers flock to the young wife's body wash. The wife is raped and gives herself over to the pleasure, and the husband watches on the monitor, showing his twisted love.