absolutely terrifying that Imu can just Do That at a moment's notice, I want Gunko to be saved so that she can hear Brook's music again without being brainwashed but I have to imagine it won't be easy to break a link to a Major Antagonist like that
but if it's a question of freedom, we've got someone incredibly good at delivering that on hand, so whenever you're ready to show up and help out, Luffy...!!