Helloo here are some of my recommendations!!:
https://www.mangago.me/read-manga/omega_slave_capture_report/
https://www.mangago.me/read-manga/bad_life/
https://www.mangago.me/read-manga/romantic_ga_niawanai/
https://www.mangago.me/read-manga/unchanged_man/
https://www.mangago.me/read-manga/full_book_kaizen_scan/
https://www.mangago.me/read-manga/heart_packer_kaizen_scan/
https://www.mangago.me/read-manga/hellen/
https://www.mangago.me/read-manga/non_zero_sum/
https://www.mangago.me/read-manga/salvation_spirit/
https://www.mangago.me/read-manga/night_of_the_hunt/

Desperate for something new to read please give me rec for stuff that’s extremely toxic! I’m talking stalking, yandere, kidnapping, abuse, breaking bones, stockholm, killing. It doesn’t need to have a happy ending but I want someone to be in pain or tormented lol