Trans mc:
https://www.mangago.zone/read-manga/shimanami_tasogare/ https://www.mangago.zone/read-manga/boys_run_the_riot/ https://www.mangago.zone/read-manga/onna_to_shite_dakaretai_seitenkan_shite_hatsukoi_wo_mou_ichido/ https://www.mangago.zone/read-manga/claudine/ https://www.mangago.zone/read-manga/double_house/ https://www.mangago.zone/read-manga/otokonoko_doushi_renai_chuu/ https://www.mangago.zone/read-manga/hanayome_wa_motodanshi/ https://www.mangago.zone/read-manga/the_story_of_a_girl_who_likes_girls_and_a_girl_who_used_to_be_a_guy/
Octopus thingy, maybe this?
https://www.mangago.zone/read-manga/bouzu_to_kumo_buddhist_priest_spider/
https://www.mangago.zone/read-manga/hanayome_wa_motodanshi/
https://www.mangago.zone/read-manga/shimanami_tasogare/
https://www.mangago.zone/read-manga/boys_run_the_riot/
https://www.mangago.zone/read-manga/the_story_of_a_girl_who_likes_girls_and_a_girl_who_used_to_be_a_guy/
https://www.mangago.zone/read-manga/j_no_subete/
https://www.mangago.zone/read-manga/after_school_mate/
https://www.mangago.zone/read-manga/kanojo_ni_naritai_kimi_to_boku/
the third chapter of this: https://www.mangago.zone/read-manga/mascara_blues/
I haven't read this one but ik the mc is a trans man: https://www.mangago.zone/read-manga/yuureitou/
Someone could recommend me manga where the mc is trans
As for the manga, I’m trying to look for I think it was a bara I could be wrong, but basically the ml was a trans man and the mc was beefy. All I remember, was this specific scene where the ml or I guess seme shoved an octopus up the mc ass.