It only took a glance for Shiro to burst out in laughter, half-throwing himself to the curving edge of the back support and the arm as he pressed his wrist against his mouth. "What-- no way! You--" pause, stop. Best doodle it.
The grin was still on his face when he began drawing his response on his notebook, practically tossing it over to Jubilee as he leaned back, capping his pen and then snatched the open tube of pringles to take from, slipping three chips into his mouth for a big chow. He smiled awkwardly and his shoulders still shook at the memory of that drawing of Jubilee's.