School's Scary Stories: Hanako-san ga kita!! is a tV short anime that premiered in summer 2010.

About the production: the story comes from a other, there are 33 episodes of about 5 minutes and its current status is "finished".

Its main genres are comedy, horror and supernatural.

The story of the anime revolves around Hanako, a girl who lives in a supernatural world apart from our own. Hanako appears when schoolchildren are in trouble; she is a benevolent version of an enduring Japanese urban legend about Hanako, a ghost who lives in a toilet at the local school. (Source: Anime News Network)

Official synopsis from AniList.