He's about to wave goodbye when Ivar shows off that trick, and Osomatsu stares at the blade sticking out of the dummy and shudders. "R-remind me to never get on your bad side!" He will be thinking about that all week... hopefully, he doesn't try to replicate it.

In any case, he holds up his hand in a wave, tucking his practice dagger into his hoodie pocket. He's tired now, but he'll probably practice later.