Hey I have a couple ideas I want to try out. I will be playing submissive in each one of them. Male or female no problem.
A young girl is forced into her father's harem when she turns 17. She doesn't want to and is scared about what will happen to her. The only means of some freedom is to become the sultan's favorite and his wife.
A young girl is brought up to be like a perfect doll growing up by her brother. The doll get up makes her look exactly like her deceased mother and he treats her with the utmost respect until he decides that he wants to use his perfect doll to satisfy his own desires.
A sweet innocent girl is the happiest in the world before her parent's and siblings died in a car accident. She is then forced to live with her uncle in his estate until she turns 18 in a year. Her uncle having lost his wife a few years back decides this little angel is what he has been looking for.
Things that go bump in the dark
After his mom and sister moved away, he was forced to deal with the drunken rants of his father whom he still had to stay with. One night his father is exceptionally drunk and takes advantage of his son.