Responses
https://www.mangago.me/read-manga/gorae_byul_the_gyeongseong_mermaid/
The characters just have tragic back stories, but it’s so cute and fluffy
I could only think of this one; https://www.mangago.me/read-manga/i_will_change_the_genre/
Marriage of convenience
Reccs for a historical shoujo that have all the characters have a happy ending. Like the side characters get together etc etc. I’m on a binge read!