BL where mc goes through a lot/ has a sad past?

Sad past
http://www.mangago.zone/read-manga/rain_again/
http://www.mangago.zone/read-manga/hinadori_wa_shiokaze_ni_madoromu/
http://www.mangago.zone/read-manga/the_baker_on_the_first_floor/
http://www.mangago.zone/read-manga/mods/
http://www.mangago.zone/read-manga/neon_sign_amber/
http://www.mangago.zone/read-manga/asa_to_mitya/
http://www.mangago.zone/read-manga/therapy_game/
http://www.mangago.zone/read-manga/yatamomo/
http://www.mangago.zone/read-manga/jazz_for_two/
http://www.mangago.zone/read-manga/konbini_kun/
http://www.mangago.zone/read-manga/yondaime_ooyamato_tatsuyuki/
http://www.mangago.zone/read-manga/blue_lust/
http://www.mangago.zone/read-manga/saezuru_tori_wa_habatakanai/
http://www.mangago.zone/read-manga/cover_up/
http://www.mangago.zone/read-manga/a_thousand_cranes/
http://www.mangago.zone/read-manga/love_nest_minaduki_yuu/
http://www.mangago.zone/read-manga/revival_blue/
http://www.mangago.zone/read-manga/kurui_naku_no_wa_boku_no_ban/
http://www.mangago.zone/read-manga/cry_for_me/
http://www.mangago.zone/read-manga/royal_servant/
http://www.mangago.zone/read-manga/oyasuminasai_no_ato_wa/

:,) Traumatic/bad past.

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

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

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

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

Oh shit I thought the last one was MC but it wasn’t. Just ignore that one please! (￣ε(#￣)Σ

Yatamomo and See You Again

http://www.mangago.zone/read-manga/little_butterfly/ (it was the ML, but he's basically like the MC)