Ichiban Ushiro No: Daimaou Specials Episode 1

You can find more information and possibly watch the special on TMDB . Demon King Daimao: Specials (2010) — The Movie Database

The first special episode of Ichiban Ushiro no Daimaou , titled "Disaster Survival," follows Akuto and friends as they get trapped in a magical blizzard and end up huddled together for warmth. This 3-minute episode, released on September 22, 2010, concludes with Korone interrupting their close encounter, which she calls "indecent". Ichiban Ushiro no Daimaou Specials Episode 1