Sad yaoi manga ?not manhwa

Shounen No Kyoukai (Yaoi)
I cry my ass off when I read this

http://www.mangago.me/read-manga/restart_harada/

http://www.mangago.me/read-manga/senya_ichiya_shitone_no_himegoto/

http://www.mangago.me/read-manga/doushitemo_furetakunai/

http://www.mangago.me/read-manga/itou_san_kuraka_sui/

http://www.mangago.me/read-manga/10_years_where_i_loved_you_the_most/

See you again- http://www.mangago.me/read-manga/see_you_agai/?av=3

http://www.mangago.me/read-manga/utakata_no_uroko/
http://www.mangago.me/read-manga/kyou_mo_ashita_mo_asatte_mo/
http://www.mangago.me/read-manga/hatsukoi_wa_gunjou_ni_tokeru/
http://www.mangago.me/read-manga/see_you_later_mermaid/
http://www.mangago.me/read-manga/nigatsu_no_eden/
http://www.mangago.me/read-manga/hina_wa_mitsuiro_no_koi_ni_torawareru/
http://www.mangago.me/read-manga/paradise_view/
http://www.mangago.me/read-manga/code/
http://www.mangago.me/read-manga/kowagaranai_de_soba_ni_ite/
http://www.mangago.me/read-manga/almost_paradise/

Not all yaoi, but all great. http://www.mangago.me/home/mangalist/296381/