In a huge cabin in the middle of an unpredictable land with frequent changes between dry and wet seasons, there lived a brother and a sister named Crow and Cheery. They relied on each other in this harsh environment. One day, the siblings were caught by an unknown devil named Peevish and her subordinates. In order to escape from them, Cro hid his little sister in the forest and used himself as bait. The siblings separated as they expected everything would soon go back to normal by the next day.