Kaiya coincidentally exited the building and was heading into their usual meeting spot by the time Yuzuki came. She, along with the rest of her classmates, clearly heard the explosion. Most of them were frantically running home, or panicking around the school (though she was unsure how that was supposed to help).

Strolling on over to the familiar figure of her adopted sister as if explosions were a daily occurence (which it wasn't, they were in Namimori after all), Kaiya pulled on her sleeve to catch her attention before asking innocently, "Did the culinary club blow up another oven?"