can you recommend me some REALLY sad mangas? (●'◡'●)

1: http://www.mangago.me/read-manga/the_paper_plane_which_is_under_the_rainbow/
2: http://www.mangago.me/read-manga/the_horizon/
3: http://www.mangago.me/read-manga/ai_no_don/
4: http://www.mangago.me/read-manga/time_letter/
5: http://www.mangago.me/read-manga/anata_no_kage_wo_ou/
6: http://www.mangago.me/read-manga/shiawase_wo_anata_ni/
7: http://www.mangago.me/read-manga/koukai_no_nai_jinsei_wo/
8: http://www.mangago.me/read-manga/deep_love_pao_no_monogatari/
9: http://www.mangago.me/read-manga/shii_chan/
10: http://www.mangago.me/read-manga/dekinai_ko/
11: http://www.mangago.me/read-manga/my_forgetful_wife/
12: http://www.mangago.me/read-manga/sky_sky/
13: http://www.mangago.me/read-manga/141108/
14: http://www.mangago.me/read-manga/magnolia_sumiyoshi_ryo/
Also after reading the first one if you don't understand it read the comments below.

http://www.mangago.me/home/mangalist/808909/
(๑•ㅂ•)و✧

tysm <3

tysm <33