I guess the reason he confined/kidnapped her, is because everywhere else she would be lynched without a second thought? Since we're watching through demon lolis eyes, it could make sense if his actions look sketchier than they are? If the Author goes that route the story could still pull it off...
So glad the maids are both savage and competent.
If that asshole would have gone around acting all lovely dovely without knowing what kid of person he was before? I would have dropped this.