The name "Toire no Hanako-san" (トイレの花子さん) literally means "Hanako of the Toilet." However, any attempt to verify this as a singular, historical account is impossible because—as with all folklore—there is no "official" version of the original story.
Toilet no Hanakosan vs Kukkyou Taimashi: A Verified Comparison toilet no hanakosan vs kukkyou taimashi verified
of other adult anime with similar "exorcist vs. spirit" plots. toilet no hanakosan vs kukkyou taimashi verified