The audience under mind control? The audience laser-focused on getting revenge on the king? That audience?
Keyaru could reveal the entirety of what he'd done and they wouldn't bat an eye.
Funnily, I don't hate Yuri's character at all.
I would, if he wasn't shown to get what's coming to him every time he shows up. His failures and inability to change make him a good comic relief, and don't undermine his status as a villain.
Thinking about it, Touma is a bit of a manwhore, ain't he?
Seducing various women and then discarding their gifts and feelings without any thought at all...