'0cto-Kai' is a rather shy cat. He would never talk to anyone in his workplace, unless one of his coworkers struck up a conversation that includes him. He often stutters whenever it's awkward or maybe he's nervous. I mean, everyone knows he's a "weirdo" from his tired eyes and shaky smile. He drinks coffee to energize him everyday, but it never works half of the time. Although Kai barely talks to the cats, he's always hardworking and liked in his office building. Again, he's shy and awkward.