A story in the Facesitting Universe
Shy guy gets tricked into being a sex object in a cruel high-stakes game between five crazy women who have no regard for his life.
WWII Alternate history. Suppose Sir Geoffrey Pike's "ice ships" -- floating aircraft carriers carved out of icebergs -- had been put into service in 1944 in the Battle of the Atlantic. Aboard one of these ships, there would be plenty of opportunity for hanky-panky.