Any dark stories Recommendation?

http://www.mangago.zone/read-manga/sakura_gari/
http://www.mangago.zone/read-manga/sora_o_daite_oyasumi/
http://www.mangago.zone/read-manga/boys_love/
http://www.mangago.zone/read-manga/boys_next_door/
http://www.mangago.zone/read-manga/caste_heaven/
http://www.mangago.zone/read-manga/shiiku_gakari_rika/
http://www.mangago.zone/read-manga/g_senjou_no_neko/
http://www.mangago.zone/read-manga/endless_world/
http://www.mangago.zone/read-manga/1999_shanghai/
http://www.mangago.zone/read-manga/escape/
http://www.mangago.zone/read-manga/like_as_the_time_will_come_when_it_will_rain/
http://www.mangago.zone/read-manga/memai/
http://www.mangago.zone/read-manga/natsujikan/

http://www.mangago.zone/read-manga/sugar_dark/
http://www.mangago.zone/read-manga/itou_san_kuraka_sui/
http://www.mangago.zone/read-manga/mizu_no_ue_no_tsuki/
http://www.mangago.zone/read-manga/ludwig_ii/

you've probably already read this one, but just in case you havent: http://www.mangago.zone/read-manga/caste_heaven/

http://www.mangago.zone/people/tag/84879/Messed+up/
i have some that CONman didn't mention (at least i think xD)

HARAAAADAAAAAAAA
Harada.

http://www.mangago.zone/home/mangalist/57857/

http://www.mangago.zone/read-manga/hikizuru_oto/
http://www.mangago.zone/read-manga/yajirushi/
http://www.mangago.zone/read-manga/ibitsu_no_kakera/
http://www.mangago.zone/read-manga/nanadome_no_gomenne/