Sf story witch i read a few years ago

[Anonymous199216]

Hy I can not find story about body cange where on the start girl went to doctor who put her naked into machine and she exit very sexy, but because she doesn't have money to pay, machine put on her chestity device width few buttons, and from now on she have to piss and masturbate like a man. She got penis which she attach on chastity device to do this.

Can anyone help me to find that story?