story idea:
A man has fallen on hard times just as he and his wife are expecting their first child. Desperate, the man makes a bargain with a witch in exchange for his firstborn daughter. The man's luck improves and his child is born safely. He sees the child is a boy, decides he's dodged the bullet, and vows never to have any more children.
Twelve years later, the child comes out as trans. Shenanigans ensue.