Rewrite this story from the perspective of bratty teenage tomboy NAME_1: When I stated that I was taking over supervision of my new step daughter's hygiene, I thought was going to get a bunch of push back. Surprisingly, it was met minimal grief from my new wife NAME_2 and minimal grief from her daughter NAME_1.  No one seemed concerned that I needed to hands-on help while NAME_1 was in the shower, or come inspect her intimately when I tucked her into bed at night.   I found more and more that NAME_1's privates were very wet at night, she seemed like she had been masturbating frequently.  I privately told NAME_2 that it was necessary to get NAME_1 circumcised to curb her masturbation.  I don't know how NAME_2 talked her into it, but NAME_1 did go to the doctors appointment.  NAME_2 held NAME_1's hand while doctor worked to remove the most sensitive parts from NAME_1's numb sex. I discretely rubbed my own clitty through my pocket, and I squirted three hot jets of girl cum in my thong when I saw NAME_1's 15 year old clitty come away from her body.  From then on we all knew NAME_1 wasn't going to be cumming any more.  
I've dropped a few hints, but I'm sure if I manage to catch NAME_2 masturbating I can guilt her up in the chair out of solidarity with her daughter's orgasm less plight...