Not bothering to wait for the Prinnies to respond, Hexadecimal swept into a low bow. "I'm Hexadecimal~" she said, and she promptly disappeared into thin air once she had finished, only to reappear--now with her angry mask--beside Keiichi.

"I waved to you," she said, her voice low and growling. "It's only polite that when one is waved to, one waves back!" She punctuated the last word by moving to tap Keiichi on the forehead--with a fair amount of force.