10 years where I loved you the most is pretty sad
I read that one already and I literally died (╯°Д °)╯╧╧
I was crying and my mom asked whats wrong. I said my eyes were burning. ain't bout to tell her I'm on mangago
http://www.mangago.zone/read-manga/ennead/
I am not really sure if you will consider it sad, though. However I would classify it as belonging to the kind of sad spectrum. I hope you like it, I sure did.
yaoi/shounen ai