I remember everything but the name

[Sissybitch123]

So it’s about a man who’s wife leaves for a weekend for work and then stays away to look after her mother in hospital for a week. He doesn’t have a good relationship with his stepdaughter. He enters her room when he is home alone and goes through her panties and selects a thong to wear. He puts it on and is masturbating when she walks in on him. She leave and is a physchology student so goes and researches the topic before returning home and deciding to allow him to continue wearing her things and starts laying out outfits for him. The next day she is going out with her boyfriend and leave a white bikini for him and a black leather skirt and crop top for him to wear. He then puts the bikini on and does chore and pool work before putting his regular clothes on before she gets back. When she returns she asks about why he isn’t wearing the black outfit and he explains he didn’t want her boyfriend seeing him. He then goes and puts it on and they chat about how her boyfriend isn’t what she wants and won’t do any of her kinks or fetishes in bed. The next day he is masterbating in her room again when he finds a porn magazine on strap on sex and finds his stepdaughters strap on dildo. That evening they start kissing and she starts pegging him. She ends up dressing her boyfriend up and convincing him to try it by showing the stepdad dressed up. What is the title of that story