Robo of Urban Legends? Hanako WC Appears!

Robo of Urban Legends? Hanako WC Appears!

Available on Prime Video, Crunchyroll
S4 E45: Batzz is eager to show off his new evolved form in a Buddyfight, but first Gao and his friends must deal with Hanako, a monster who has returned to haunt the boys' bathroom.