Any who, here are some role play's I like to do.
Best friends brother/best friend
Boyfriend/Girlfriend's sister
Brother/Sisters friend
Bad boy/Good girl
Groom/Flower girl
Boxer/Preppy girl
Teacher/Librarian
Student/Librarian
Father/Daughter
Cowboy/Cowgirl
Best man/Bride
Brother/Sister
Vampire/Girl
Best friends
Master/Pet
or anything you wanna do xd