Hontoni Atta Gakkou Kaidan

An omnibus OVA where three elementary school students, Manabu, Ryota, and Mina, deal with mysteries they encounter at their school. This OVA is split into two stories of 15 minutes each: "Poisonous spiders at school" and "Hanako-san's hand".
This OVA is based on the "Hontoni Atta Kowai Hanashi" series derived from the "Hontoni Atta Gakou Kaidan" series published by Asahi Sonorama.