Moster fucker BL

What does this even mean?

Beauty and the beast type shii but the beast doesn’t tuen human

So u basically want a monster x human bl?

https://www.mangago.zone/read-manga/no_you_don_t_know_actually_do_you_know/

varying degrees of monster:
https://www.mangago.zone/read-manga/the_monster_and_the_beast/
https://www.mangago.zone/read-manga/the_story_of_monster_and_asuka/
https://www.mangago.zone/read-manga/bouzu_to_kumo_buddhist_priest_spider/
https://www.mangago.zone/read-manga/ikenie_monzenbarai/
https://www.mangago.zone/read-manga/the_first_love_of_the_sushi_restaurant_owner_is_a_mermaid/
https://www.mangago.zone/read-manga/ookami_sama_no_koiwazurai/
https://www.mangago.zone/read-manga/rain_advisory/
https://www.mangago.zone/read-manga/welcome_to_the_torano_detective_agency/
https://www.mangago.zone/read-manga/inukei_no_kareshi/
https://www.mangago.zone/read-manga/ignat_no_hanayome/

You can also try this maybe? But it's about a dragon and a human, though I haven't read it:
https://www.mangago.zone/read-manga/soitogete_ryuujin_san/

Wait maybe he did transform into human at few points but he remained a dragon most of the time?