I'm not really into this kind of fetish but I really like it so far. I would love to see it grow and improve in time I have a couple of suggestions to improve this game (hope you read this). 1. Obviously more, it's a good game and I like it so more of it isn't going to hurt. 2. Would love more bi content, I myself am a bi guy so I'll enjoy it. There doesn't have to be threesomes or anything but things like comments on the guys or perhaps the girl could have sex w/ other chicks 3. More wholesome, I love wholesome content so cuddling and kisses and hugs are all great and you seem to like to break tropes so wholesome ntr is great.
4. I want the characters to be deeper. You touch on it a bit but I would love for it to be expanded, you could improve on for example your gf changes from being hesitant to having sex with other men a bit too quickly. It was a bit jarring but I really liked the small part where the mc panics when she says she will stay the night. Because of course he does, a fantasy in his head would be different from real life and while not sexy it makes the story so much more real and enjoyable.
5. BPH(big penis humiliation) option, I know it's niche but you really strive (and excel) at taking tropes and breaking them so I think it would fit right in, just swap the Humiliation and non humiliation to Non humiliation, sph and bph.
5.5. SPA (small penis appreciation) Not really my thing but there is a small group of people who really like it and it also fits into your style as in 5.
6. I know this is a nightmare but customization options for the mc. It makes things so much more immersive even if its just a few selections like height, general build, grower or shower(growers are tragically underutilized in media) and from my previous suggestion size and sexuality. Perhaps there you could add a few toggleable fetishes at the start instead of having them interrupt the story. 6.5. witch reminds me Please add a toggle for animal genitalia and incest like you have for other fetishes. 7. definitely add fembois I love 'em and we need more hung fembois in particular. The Idea of having her with someone submissive is interesting as they all have been dominant (Mabey he is so hung he can't be as rough as the others have) or the exact opposite a bratty femboi would also be verry enjoyable. I would love the option for the mc to be a femboi if customization is added.