Mystery as supernatural? if yes those 2 are pretty good https://www.mangago.me/read-manga/the_imposter/
https://www.mangago.me/read-manga/survive_romance/
thxxx
You're welcome!
Purple Hyacinth
NeverMore
yay looks good!
Indeed! You can read on the webtoon app!
mystery webtoon
preferably completed or has a lot of chapters
don't mind bl/gl/het