Karappo no Shoujo to Niji no Kakera

Vol.1 Chapter 5
Vol.1 Chapter 4
Vol.2 Chapter 6
Vol.1 Chapter 4
Vol.2 Chapter 6
Poyoko, a girl unwanted by anyone, followed a mysterious voice into another world where strange creatures live. There, wandering, she encountered a boy wearing a peculiar mask... Thus began their dark fairy tale, as they sought the fragments of a rainbow.