
http://www.mangago.zone/read-manga/zankoku_na_kami_ga_shihai_suru/ About a kid who is being molested by his stepfather and how it fucks him up later in life, tackles drug abuse, prostitution, molestation, and suicide. It has a lot of real elements and is fucked up. Also a time like so I think it starts when he’s 13/14 and onwards

http://www.mangago.zone/read-manga/brutal_satsujin_kansatsukan_no_kokuhaku/ Also this with psychopath murderer rapists

color recipe, that shit traumatized me
http://www.mangago.zone/read-manga/color_recipe/

Check by author.
Ogawa Chise - she has a lot. Caste heaven, and others ;
Nakamura Asumiko - j no subete, inheritance of aroma, double mints, copernicus no kokyuu
Asada Nemui
Harada - most of their works are dark only recently did they began to have “less dark” stories but Harada just like darkness so still sorta dark exp prolly one room angel and the mesiah series its fun and kinky but they have a healthy relationship.
Psyche delico - Imu mo kuwanai; mantis cage
Ten ten shiro shiro
Sakura Gari
Burns - not really that dark for my taste but still dark
Ventham
Acid town
Sora o daite oyasumi
Feeding lamb - gory + super effed up
i mean i wanna mess my head some times hehe. any recommendation? thank you!