I'm only into women/trans women. I didn't know until recently that the term for this is apparently called being gynesexual (being interested in the female form/femininity).
I think my ultimate fetish would be to have a woman dominate over me. Humiliation and degradation are quite big turn ons for me, and they align quite well with the sissy concept. I'm not a very feminine looking person, but if they can make me feel very feminine, I think that would be the biggest turn on.
She can keep my dick caged for as long as she wants :) Who knows? Maybe if I'm a good sissy, she'll let it out every once in a while and let me put it inside her!
For the last several months, I've thought that submitting to a women would be my greatest fantasy. However, lately, all I can think about is cock. I took a look at some strap-on content last night, and to my surprise I was like, "nope this is not as good as a nice big cock." I guess I still have a split where I think women's bodies are overall sexier, but a big cock is the sexiest body part there is. But these are just abstract fantasies. IRL, either a dominant woman or a guy with a big cock as a partner would suit me fine :)
The concepts of femdom, humiliation, and degradation are interesting, because they're quite vague or open-ended, and what I mean by humiliation may not be what others mean, etc. I really like affirmation, like being called a good girl or encouraged to be feminine and sissy.
My ideal femdom flavour, I think, is pretty vanilla. I don't really want to lick toes, but I want her to be in control of me and my orgasm, and I want our sex life to totally revolve around her pleasure. I don't know if that makes me more of a psychological sub. I think I'd only like light humiliation, about wanting to be a sissy and not being a 'real' man. Being told I have a small clitty, reverse pegging, cuckolding, being spanked, having sissy sex filmed or in front of others. I think the only thing I might consider degradation that I might like is being locked in a big cage while being cuckolded 🤤