Tragic and sad endings.

http://www.mangago.zone/read-manga/eien_no_aida_ni_miru_yume/
http://www.mangago.zone/read-manga/setsuka/
http://www.mangago.zone/read-manga/like_as_the_time_will_come_when_it_will_rain/
http://www.mangago.zone/read-manga/the_king_and_the_attendant/

thanks for the suggestions.. :D

scarlet is pretty tragic at first but the ending makes me sick

true. I hoped that even though all things happened. the ending would deviate from usual manga. I guess I had hopeless hopes up.

Okay, prepare the Kleenex because these manga's had me in tears:
http://www.mangago.zone/read-manga/shiosai/
http://www.mangago.zone/read-manga/setsuka/
http://www.mangago.zone/read-manga/healing_elegy/
Okay, series #2 has the sad ending, but you have to read the complete series to understand the whole story, I will put them in order.
1). http://www.mangago.zone/read-manga/hana_no_mizo_shiru/
2). http://www.mangago.zone/read-manga/hana_no_miyako_de/
3). http://www.mangago.zone/read-manga/hana_no_migoro_ni/
Hoped I helped :)