Responses
most of the time they end sadly, but there are a few exceptions... here's a couple I can remember:
https://www.mangago.zone/read-manga/a_mail_from_my_dead_lover/
https://www.mangago.zone/read-manga/not_for_the_faint_of_heart/
https://www.mangago.zone/read-manga/oblivious/ (this one might be part of this anthology)
I hate ghost lover stories so much because it's never a happy ending got me feeling wounded