https://www.mangago.me/read-manga/follow_the_sheep_in_the_abyss/ also does this count? it's tagged as horror but i'm not sure...
https://www.mangago.me/read-manga/mary_jane/
https://www.mangago.me/read-manga/blind_play/
https://www.mangago.me/read-manga/a_room_without_space_side_story_1/
https://www.mangago.me/read-manga/red_mansion/
https://www.mangago.me/read-manga/die_in_my_arms_kaizen_scan/
https://www.mangago.me/read-manga/sheep_s_mask/
https://www.mangago.me/read-manga/unchanged_man/
https://www.mangago.me/read-manga/the_mansion_summoned_by_ghosts_cupid_scans/
https://www.mangago.me/read-manga/falling_sheep/
it's my fav genre!
thank you sm, I'll be sure to read through this list I just read red mansion and it was rlly good
also a room without a window has gotta be one of my favourites ever can't wait for the physical release
anyone else been a huge fan of horror bl lately? I haven't read that many but these two have gotta be my favourites
https://www.mangago.me/read-manga/dreadful_night/
https://www.mangago.me/read-manga/otsukaresamakurose_kun/
(the second one's more beautiful than scary imo but it's such a good read)