One day, Lito was walking home from school when she wandered in to a mysterious world.
Many creatures of different shapes and sizes live there, the city of Sunlily.
Monsters are attracted to Lito's scent, and try to attack her. But she is rescued by an exorcist, Rein.
Lito explains her situtation to Rein and wishes to return to the world she's from.
The princess Yume of Sunlily, prevents Lito from leaving this world.
Will Lito find a way to return home? Why does Yume wish to capture Lito?
The mysteries will be revealed in WonderEnd.