While Rua was getting over his language shock, Ruka was busy being not entirely sure what she was supposed to be doing with the hand offered her way. After a few moments of hesitation and curious staring, she remembered that duelists usually shook hands before a game, so maybe that was what he was doing?

Her hand was nowhere near large enough to shake Bruce's own, but Ruka returned the gesture as well as she could. "Right."