Normally Shiraishi simply loses colour, but that lap pillow caused him to lose every feature other than shape. If at any point Kuba gives him a surprise kiss I'm afraid he will phase out of existence.
When you need to point out no needless massacres and no treason as rules and you can speak to a specific members while doing so, you know there is a bit of a problem with their characters.
Why does he need a helicopter? Can't he fly on his sword? At this point they should have just nuked him when he was in a rural area. They can't expect anything less than that to work on him.
It would be nice to see the daughter actually grow enough to win against him, but him winning will be just as fun. I mean, unless he remains stronger than his daughters the story kind of loses meaning.
At this point we can infer that some mysterious powers have taken over the Khalitz Kingdom and those "evil cults" are actually the good people opposing them.
Of course it can't be this easy. There are 4 other Bugmen on Yukimura's level, who haven't showed up yet. Just perfect for the 4 that went to train in the mountains though.