Ushiro no Hyakutarou
Japanese title: 心霊恐怖レポート うしろの百太郎
Type: OVA
Source: Unknown
Episodes: 2
Status: Finished Airing
Aired: Aug 21, 1991 to Oct 21, 1991
Duration: 31 min per ep
Rating: PG-13 - Teens 13 or older
Genres: Horror, Supernatural
Themes: School

Horror OVA based on the manga by Jirou Tsunoda. The title roughly means "Hyakutarou behind". 

A boy named Ichitarou Ushiro deals with various horrifying phenomena with the help of his guardian spirit Hyakutarou. 

2 episodes: "Kokkuri Satsujin Jiken", "Yuutai Ridatsu". 

(Source: AniDB)