Recommendations

https://www.mangago.zone/read-manga/merry_psycho/
https://www.mangago.zone/read-manga/melt_bless_you/
https://www.mangago.zone/read-manga/how_to_break_up_well/
and if you want something psychologically very disturbing then https://www.mangago.zone/read-manga/who_is_the_prey/ (check the tw beforehand if you end up reading it)

https://www.mangago.zone/read-manga/a_ghostly_song/
This is so peakkk