The angry Yakuza boss seeing this: Kill all these men who stain our honor. The Russian mafia boss watching his son being insulted: Now they will sing this in real life. Any problem? The Yakuza boss: Shall we dress up? Russian mafia boss: Of course.
I'd like to imagine somewhere in the crowd, his buddies, Haruka and the kids from Sunshine Orphanage are there cheering him on. Too wholesome for my brain.