After being pregnant at just 16 years old, she was abandoned and started to live with her mother. Year after she gave birth to a child who is me. When I grew up, I started to look after her, and my desire to protect her and keep her grew bigger that I accidentally took her down, and now she is enjoying herself between my legs
Christa would normally get a spanking for mouthing-off, but a spanking would be much too loud at the in-laws' house! She doesn't expect -- and tries to protest -- the ass-fucking she gets instead, but there's no escape from this punishment.
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.