![](https://pic1.mangapicgallery.com/r/avatar/08/u239150_50x50.jpg?2)
https://www.mangago.me/read-manga/cosmic_boy/
i can only think of this^
![](https://pic1.mangapicgallery.com/r/avatar/4a/u191091_50x50.jpg?2)
https://www.mangago.me/read-manga/the_paper_plane_which_is_under_the_rainbow/
https://www.mangago.me/read-manga/lonely_to_organdy/
And I recommend avogado6 for sad and usually dark suicidal painfully realistic one shots with simple art. Those stories just wreck you
Anything thats sad asf pls i need to cry