Any unconventional looking ML x MC? I remember there was one where the top was kinda fat/...

Never understand
Bottom is not conventionally attractive while top is the heartthrob of the school

I read that. Oh my god…it was a long time ago, I was in middle school loll. Peak

Mainly ukes
https://www.mangago.me/read-manga/minegishi_san_wants_otsu_kun_to_eat/

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

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

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

Semes
https://www.mangago.me/read-manga/mayoke_no_darling/
https://www.mangago.me/read-manga/gatapishi_arai_niboshiko/

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

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