Off the top of my head:
(some of these do have female characters being harmed by a man, but none in a romantic relationship)
Sodom no Hana ni Kiraboshi
https://www.mangago.me/read-manga/sodom_no_hana_ni_kiraboshi/
This is really sad, it explores both sexual abuse for one character and physical abuse for another, and you can see how it can really ......
