Kaede and Shuichi are being shown round by Tsumugi, when they get to Kokichi's tank. He's suspended in a yellow liquid, and doesn't seem to be awake.

Shuichi: "How old is he? He looks incredibly young..."

Tsumugi goes to reply, but before she can, She gets pulled away by a furious Rantaro.

Rantaro: "Why have you not been feeding Kokichi?! How long has he not had food for?!"