AZUMANGA DAIOH: THE VERY SHORT MOVIE

In this short movie featuring familiar characters from Azumanga Daiou, Osaka is yet again having a strange dream of Chiyo-Chan's pigtails being posessed. As Chiyo-Chan's pigtails bounce out of the window, who knows if young Chiyo will ever be happy again. (Source: Anime News Network) — Description from AniList community (anilist.co).