The series centers on the misadventures of 17-year-old Kana, a high school junior who spends her days hanging out with her besties, Mossan, Hijiri, and Pets. They live unremarkable lives, until the day a Mecha falls out of the sky, along with a strange woman named “Haruko.” Her plans for Kana and her friends involve the force known as “ATOMSK.” Kana will have to risk everything to decide whether or not to h...