Vianna was far too easily amused at the moment; she always got a kick out of teasing Ferris, and this time was no exception. Her eyes widened just very slightly as the boy pushed her further back into the sheets before hiding the both of them beneath the covers. "Professor!" she said accusingly, amused laughter unwillingly leaving her lips before he began to tickle her, accusing her of being the biggest troublemaker he had ever met in his life. At the mix of this accusation with the tickles that accompanied it, Vianna was in a fit of giggles, her lightly tanned cheeks quickly turning pink in colour. "Professorrrr! I'm sorry!" she said, squirming and trying her best to push his hands off, though the laughter made her weak. "You love me more, I'll stop! Promise!"