....

http://www.mangago.zone/read-manga/life_senjou_no_bokura/

U probably known this one but , 10 years where I loved you the most

http://www.mangago.zone/read-manga/december_rain/
http://www.mangago.zone/read-manga/life_senjou_no_bokura/
http://www.mangago.zone/read-manga/blue_lust/
http://www.mangago.zone/read-manga/lonely_to_organdy/
http://www.mangago.zone/read-manga/i_will_be_waiting_for_you_in_1999/
http://www.mangago.zone/read-manga/paradise_view/
http://www.mangago.zone/read-manga/kashikomarimashita_destiny/
http://www.mangago.zone/read-manga/10_years_where_i_loved_you_the_most/

http://www.mangago.zone/read-manga/like_as_the_time_will_come_when_it_will_rain/
^contains multiple sad stories

and also black lotus

a thousand crane
*ugly cries*

Thanks guys..