A boy with a guardian spirit is supposed to make you feel safe. Ushiro no Hyakutarou does the opposite. The supernatural phenomena Ichitarou encounters don't follow horror rules you recognize from bigger franchises, they move at the speed of genuine dread, not spectacle, and his spirit guardian can't always stop what's coming. This is horror built for people who want to feel genuinely unsettled, not comforted by answers. Made in 1991 when OVAs still had the freedom to end without resolution. A supernatural companion story where the companion sometimes fails.

Ichitarou Ushiro is a boy who keeps running into frightening phenomena, and he does not face them alone. His guardian spirit, Hyakutarou, stays at his side and helps him through each encounter. Adapted from the manga by Jirou Tsunoda, this two-episode horror OVA takes its name from the spirit itself, a title that loosely translates to "Hyakutarou behind." The episodes are titled "Kokkuri Satsujin Jiken" and "Yuutai Ridatsu," each bringing a new supernatural scare for the pair to confront.