Does anyone know of some chubby mc Yaois? Or an ugly x hot yaois? Pls I’m desperate. Pls...

Not chubby, but ugly x hot
pls note it's more Shounen Ai, but it's my absolute fave from years back:
Aitsu No Daihonmei
https://www.mangago.me/read-manga/aitsu_no_daihonmei/

This one for chubby, but I presume you've already seen it if that's your thing:
Deri Pocha
https://www.mangago.me/read-manga/deri_pocha_yajuu_no_h_na_gohan/

https://www.mangago.me/read-manga/saenai_boku_wa_kimi_no_hero/
https://www.mangago.me/read-manga/my_pudgy_co_worker_is_a_snack/
https://www.mangago.me/read-manga/hoppe_ni_himawari/

https://www.mangago.me/read-manga/a_well_known_love_affair/

W recommendation btw