What does the world look like to you? The two heroines, Papika and Cocona, who have obtained the key to open the door: the two girls meet and begin an adventure in a different time and space, "Pure Illusion". As the two travel around Pure Illusion in search of the mysterious crystal "Ear Fragment" that is said to fulfill wishes, various difficulties arise. When the two are in crisis, the "Ear Fragment" emits light, and they transform. (From Baidu Encyclopedia)