Have you read checkmate?
https://www.mangago.me/read-manga/checkmate_1/
check tw for first 3
https://www.mangago.me/read-manga/sora_o_daite_oyasumi/
https://www.mangago.me/read-manga/kegare_no_nai_hito/
https://www.mangago.me/read-manga/dog_eats_dog/
https://www.mangago.me/read-manga/act_out/
https://www.mangago.me/read-manga/the_third_decade_dindin/
https://www.mangago.me/read-manga/memories_of_your_breath_jujucat/
https://www.mangago.me/read-manga/cloud_1/
https://www.mangago.me/read-manga/peace_of_god_mgs/
https://www.mangago.me/read-manga/sand_castle/
I couldn't recommend "no more eurydice" more.
Hello. I'm looking for BL manhwas/mangas with extremely flawed characters; specifically something in which their inherent flawed nature actively influences the characters' decisions. Maybe even a broader message about people in general. I could really use some well-written ones. Thanks in advance!