Here are some I've read:
https://www.mangago.zone/read-manga/the_monster_and_the_beast/
https://www.mangago.zone/read-manga/the_story_of_monster_and_asuka/ - very new though so not much here
https://www.mangago.zone/read-manga/otoshi_ai/
https://www.mangago.zone/read-manga/the_curse_of_christmas/
https://www.mangago.zone/read-manga/when_incubus_wears_a_chastity_belt/
https://www.mangago.zone/read-manga/oneness/ - umm...never read chainsaw man so went in without knowing who they were.
https://www.mangago.zone/read-manga/madk/ - kinda depressingly dark. Seriously. You've been warned
https://www.mangago.zone/read-manga/ikenie_monzenbarai/
thank youuuu ! !
lately i've been interested in some monster seme x human uke trope and i barely see any manga or manwha like that, so if you guys know some manga or manwha chuchuchu please recommend it to me huhu