Looking for

Sakuragari?

No, wait... It's yaoi

But it's pretty good though

WILL MAKE YOU CRY
-  http://www.mangago.zone/read-manga/kuroko_no_basuke_dj_13_centimeters/
-  http://www.mangago.zone/read-manga/yukidoke_no_koi/uu/yukidoke_no_koi-chapter-7
-  http://www.mangago.zone/read-manga/sora_o_daite_oyasumi/
- http://www.mangago.zone/read-manga/utakata_no_uroko/
-  http://www.mangago.zone/read-manga/10_years_where_i_loved_you_the_most/
-  http://www.mangago.zone/read-manga/endless_world/
-  http://www.mangago.zone/read-manga/psycho_young_dream/

nonbl but will make you cry like a baby. theyre just too good to miss!
-  http://www.mangago.zone/read-manga/nageku_shinigami/
-  http://www.mangago.zone/read-manga/the_anthropovore_s_chocolate_cake/
-  http://www.mangago.zone/read-manga/hotarubi_no_mori_e/

Shounen ai + ends in tragedy
http://www.mangago.zone/read-manga/10_years_where_i_loved_you_the_most/