Looking for incest games where Mom asks for her Son's opinion about her new clothes. Or where she gets into a changing room with him and asks him to close his eyes.
https://f95zone.to/threads/restore-her-career-v0-23-kalyha.56953/
Basically the whole plot is to corrupt your former model Mother. She loses her job so you become her agent and gradually make her use more lewd clothing for shoots. And contains a lot of the elements you are looking for.