Yo im lookin 4 smth with a gangster/yakuza that ends up falliing in his ennemies hands and...

Yo im lookin 4 smth with a gangster/yakuza that ends up falliing in his ennemies hands and gets raped and stuff .
I remember a particular scene in a toilets
The style is really similar to "legs wich cannot walk" it's like a black n white webtoon
Anyboft knows the title ?