Oops my sister's boyfriend got me pregnant!

This is an Erotic Fertility Romance Short Story - Word Count 3,456

Rachael cannot stand her older sister Tammy, who is making her life literally a living hell. Her response is to seek comfort in the most unexpected place, the arms of Tammy’s super sexy boyfriend Zac.
It’s not long till Zac and Rachael are indulging together in behaviour that will make Tammy even madder than before, as may the consequences of their actions nine months down the line!