"Who knows. All I know is its birdshit because the big ones? they can be kept in 'balls most of the time."

She sighs at the end and shakes her head. "Monsterballs exist for a reason and it's convenient for us humans, you know? Sure, you own a baby iwāku, but no sane person'd bring it aboard a train. It's like two, three metres long to start with."