August 26: Super Hidamari Festival
8-gatsu 26-nichi: Chou Hidamatsuri Special · 8月26日 超ひだまつり
Synopsis
A mini-episode/promo screened at the 2007 "Chou Hidamatsuri in Nippon Budokan" event, where the second season of Hidamari Sketch was announced.
Studios: Shaft, Aniplex, Lantis
Source: MANGA