The player character awakens in a cave with no memory of how he came to be there. He finds a village of Mimigas, who are being persecuted by the Doctor. The Doctor's servants Misery and Balrog are looking for Sue Sakamoto, a girl who had been transformed into a Mimiga. Not finding her, they mistakenly abduct another Mimiga named Toroko instead. The player finds Sue in the Egg Corridor, where she discovers the eggs of a Sky Dragon, which could allow her to escape the floating island if hatched. Sue attempts to rescue her brother Kazuma, but King, the leader of Mimiga Village, captures her and holds her responsible for Toroko's kidnapping. Sue tasks the player with retrieving Kazuma from Grasstown. After freeing him, they meet Professor Booster, who reveals that the Doctor plans to use the red flowers on Mimigas to create an army to take over the surface world. Booster sends the player to the Sand Zone to destroy the red flowers before the Doctor can find them. While there, the player meets Curly Brace, a female robot who also has no memories of her past, and Jenka, an old witch who is Misery's mother and guardian of the red flowers. Jenka calls the player character a "soldier from the surface", one of many who were sent to the island to slaughter the Mimigas. Misery transports the player to the Labyrinth deep inside the island as punishment for interfering with the Doctor's plans. Curly Brace has also been thrown into the Labyrinth and they cooperate to escape. Balrog helps them to move the boulder blocking the exit, revealing his kind nature. The pair find and defeat the Core, a magical creature whose power keeps the island afloat. However, the Doctor steps in to save it before the island collapses. Depending on certain conditions, the player may rescue Curly Brace, who had sacrificed her air tank to save the player character. When he returns to Mimiga Village, he finds that the Doctor has captured the Mimigas. In the Egg Corridor, Kazuma offers the player a choi
