This is something I’ve been wondering about as well. I made a c-boy list bc I was genuinely curious about it (since futa is such a prominent genre, why not male futa?) and to see what I can find but it’s really blown up since I originally started. I’m not sure why they tend to be so buff? I’m guessing to move away from vagina=woman/feminine bottom, but that’s problematic view in of itself. Probably misogyny fueled, knowingly or not. I’d prefer to see more body diversity overall as opposed to swinging the popular bottom art style from “twink” (I’m not against more stereotypical BL body types and dynamics js) to hardened body builder types.
I think the first step to making more body diversity overall is having a lot of body builder types just to catch up to the amount of twinks posted already lol. But I def agree with you and think more body diversity overall for mangas is always good rather than just stereotypes, cause for example being a twink does not necessarily mean your a bottom and vice versa. I also think a lot of buff ukes is good cause it presents the idea of breaking stereotypes a lot of people think. I also think it’s nice to see ukes that are presented as “ugly” in their universe but still finding love

manhwa typically follow whatever’s currently popular in manga and that’s fine but there seems to be a huge independent movement of cuntboy manhwa? like actual serializations and they’re always super buff ukes as well i wonder how that came about