Defend Joyland against the strongest demon king ever. The villain, who is aiming for Joyland, which is full of dreams and hopes, plans to destroy the Lightning Man's super power, Lightning Power, to destroy Joyland. Using the action leaders Najalnan and Dejalnan to hypnotize Hanna, the main character and tomboy of the Joyland Theater, she uses Hanna's dream to fly and plunges her into a black hole. In the end, Lightning Man, who was trying to save Hannah, gradually loses his lightning power due to a powerful black hole... Can Lightning Man get out of the black hole and save Joyland from danger?