I've no idea what you've read already, so I'm just gonna link some lesser known ones:
http://www.mangago.zone/read-manga/kabe_no_naka_no_tenshi/
http://www.mangago.zone/read-manga/zhen/
http://www.mangago.zone/read-manga/little_butterfly/
http://www.mangago.zone/read-manga/innocent_bird/
http://www.mangago.zone/read-manga/mousouka_koi_o_suru/
http://www.mangago.zone/read-manga/nightmare_catalog/
http://www.mangago.zone/read-manga/red_theatre/
http://www.mangago.zone/read-manga/almost_paradise/
http://www.mangago.zone/read-manga/hare_no_hi_asada_nemui/
http://www.mangago.zone/read-manga/niini_no_mori/
i already answered a similar question soo:
personal favs(warning: plot>sex):
http://www.mangago.zone/read-manga/b_s_s_m_blood_sugar_sex_magic/ (cute/realistic)
http://www.mangago.zone/read-manga/sakura_gari/ (dark/historical/amazing plot/*rape(but there is a reason))
http://www.mangago.zone/read-manga/let_dai/ (shounen ai/very realistic/amazing plot/gay+straight couples/*rape(not between the 2 main characters)/ dont mind the tragedy tag)
http://www.mangago.zone/read-manga/koimonogatari/ (realistic/cute/friendship/social acceptance)
http://www.mangago.zone/read-manga/tamayura_yuki_ringo/ (historical/really good plot/cute+dark(mby?))
http://www.mangago.zone/read-manga/life_senjou_no_bokura/ (cute/realistic/the ending is kinda sad but its a really good manga)
http://www.mangago.zone/read-manga/yoru_wa_tomodachi/ (its dark but cute/masochistic uke)
http://www.mangago.zone/read-manga/not_equal/ (supernatural/really good plot/ *incest between father and son/time travel)
I’ve been struggling for a long time now to find a good yaoi that has a good plot and good drawings *sigh* I would really appreciate it if I got recommendations _*(︶︿︶)*_/