Professor Andre Levin is about to marry his 3rd wife. Naturally, his first and second wives will help him greet her and assist her in satisfying him. After all, that's what a harem is for, right? This is a story set in a future where plural marriage is commonplace.
Trying to spice up their marriage, a young husband suggests that his wife thinks of something he can do to help. She returns with a surprise and more besides. Not everything goes according to plan though...