Raoul might be a villain now, but he is still a hero inside. At least for those he sees as worth saving.
And I can't blame him, looks like the world was so twisted that finding one good person was a whole other quest.
Man this series really just cannot stay away from rape or the threat thereof, huh? I wonder if someone has already done a study on Japanese psychology to figure out why the fuck so many of them are irreparably tainted like this