Hi! Try these:
http://www.mangago.zone/read-manga/isekai_trip_sex/
http://www.mangago.zone/read-manga/koishite_baby_miyako_mimeko/
http://www.mangago.zone/read-manga/nirameba_koi/
http://www.mangago.zone/read-manga/jelly_pool/
http://www.mangago.zone/read-manga/sokuochi_yarichin_yankee/
http://www.mangago.zone/read-manga/30_sai_kara_no_coming_out/
http://www.mangago.zone/read-manga/ore_to_aitsu_no_jikangai/
http://www.mangago.zone/read-manga/momichupa_oppabu_osu_time/
If you want to look for more, try this tag:
http://www.mangago.zone/tag/buff%20uke/
Hope you enjoy!
Coincidence! Just finished re-reading one!
http://www.mangago.zone/read-manga/bitten_by_moonlight/
Behind the scenes
is one of my favs u actually find the muscular bottom in the second couple and u can also find other muscular bottom mangas which btw is called bara here http://www.mangago.zone/tag/Bara/
Thx sm guys!!!
Any yaoi reccomendations with a muscular bottom?????ヾ(☆▽☆)