On the first day of summer vacation, everyone throws an okonomiyaki party at Umidori's place. Yet once more, this is merely the gateway to crazytown. The combination of yakisoba and white rice leads Umidori and company to a dangerous discovery, and they throw themselves into battle. Specifically, Bullshit-chan uses her video channel to host a stall at a local festival. Things are more off-the-wall than ever before!
