Both written from female POV
1) Setting up glory hole in house to reward husband/fiancé when support slips and she's trapped with her pussy at the glory hole. Husband/fiancé returns early with friends and proceed to enjoy.
2) Has herself gift-wrapped for fiancé's return from Barcelona party only for him to return early with all his pals. They assume that this is a gift from an absent friend and proceed to enjoy, including father & father-in-law.