write a fanfiction about a boy called NAME_1 who is submissive and 5'5'' and NAME_2 who is a 6'6'' dominant goth futanari who has a big 15 inch cock and huge balls and jakes step mother NAME_3 who was a dominant 7’2’’ futanari with a 17 inch cock . They are step siblings and NAME_2 fucks NAME_4 before they went to bed. NAME_1 first gets face fucked and chokes and gags on willows huge cock. Then he get his tight ass plowed by her cock until he cant walk. Make the setting there bedroom and make the story about when NAME_2 first moved and met NAME_1 and how NAME_3 made NAME_1 NAME_2 and her sex slave and how he was dominated by both of them