"WOAH!" Kay stiffens in excitement suddenly, standing on her tip toes with her fists clenched in front of her. Her eyes are practically sparkling. "Back up! Ninjas still exist where you come from!? Like... real, actual honest to goodness ninjas!?"

(It is not entirely clear by what metric Kay determines a ninja to be "real" or not, nor does she offer to explain.)

Before he can answer either way, she deflates just as quickly, crossing her arms looking sort of vexed. "We don't really have ninjas anymore in my world. And I'm not so sure we have this aether stuff, either..."