Kuromajo-san ga Tooru!!

The Black Witch`s Cinderella (Part 1) (1x12)

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As Chiyoko's class goes on a trip to the beach, a strange being from the Spirit World named Akuma Joe warns Chiyoko that the bus will explode once it reaches the end of the tunnel. In order to save everyone, Chiyoko chants a spell putting everyone inside the Spirit World, where she must play the role of Cinderella in order to escape. As Chiyoko struggles, Gyubid appears to help her get to the ball.