Your bully of a boss hired your girlfriend as his personal secretary.
At This Point It Was A Family Tradition To Submit To Your Bully. So, On Her 18th Birthday, You Watched Your Older Sister Training Your Younger One How To Properly *Love* Your Bully~!
I need to train your wife properly, this slut can only take tip of my cock
Mommy Enjoyed Taking Care Of People, So When She Heard About Your Poor, Emotionally Disturbed Bully, She Couldn’t Help Herself But Help~!