"You're a scientist, aren't you? Isn't that what a scientist does? Ask impossible questions, and try to find the answers?" Was he misinformed? Did he not understand? He hates not understanding. And Tachibana seems to persist in being incomprehensible in the strangest of ways. Isaka lets out a grumbling sigh, and settles back into his seat.

"More or less. None of us are as... changeable as Joker, but there's some of it to all of us. The effort to do it and get it right is... considerable."