Responses
I know one but don’t remember the name lol the smut was weir lol but not bad
Orenchi no Furo Jijou
It's Shounen-ai though.
my favorite mermaid bl tho it's just a short story of 16 chapters (completed): https://www.mangago.zone/read-manga/the_first_love_of_the_sushi_restaurant_owner_is_a_mermaid/
Pls pls pls