http://www.mangago.me/read-manga/blood_bank/?TmEb
I've read this 3 years ago and for me it's still one of my best.
My list of faves
http://www.mangago.me/home/mangalist/841771/
These are some of the ones I loved the most:
http://www.mangago.me/read-manga/momentum_park_ji_yeon/
http://www.mangago.me/read-manga/love_or_hate_yeongha/?DyVB
http://www.mangago.me/read-manga/10_years_where_i_loved_you_the_most/
http://www.mangago.me/read-manga/one_room_angel/
http://www.mangago.me/read-manga/3_ban_sen_no_campanella/
http://www.mangago.me/read-manga/yatamomo/
http://www.mangago.me/read-manga/ao_no_flag/
http://www.mangago.me/read-manga/hadakeru_kaibutsu/
http://www.mangago.me/read-manga/raion_gotoki_no_kuni_kara/
I recommend this to you if you're into cute stories, there's no drama just love and the style is great
http://www.mangago.me/read-manga/sign_language/?QqEV
This one is super cute as well, it made me start to learn sign language
http://www.mangago.me/read-manga/king_s_maker/?36l0
This one is kinda long but I love historical mangas so it was a pleasure to read

Give me best BL you have ever read (๑•ㅂ•)و✧