Responses
First that came to my mind:
https://www.mangago.me/read-manga/my_broken_mariko/
One that I actually just finished:
https://www.mangago.me/read-manga/asagao_wa_yoru_kara_saku/
This one is beautiful https://www.mangago.me/read-manga/this_witch_of_mine/
can someone please recommend me sad manga?