Ruka and his
sister Iru recently moved to the island of Marta. They arrived with
their family who hoped to start up a monster farm. Soon after they
arrive, the monster Warubou started causing trouble with his new
ally, Prince Kameha. Ruka and Iru have to catch and train their
monsters in order to stop Warubou and Prince Kameha before they
make a huge mistake and sink Marta!