Prologue Events
~Time, Sin & Virtue
We see an all grown Sabitsuki be lured to a dark shrine in the underground by a demon. She is saved by a shrine maiden, named Meimu, and the youngling seems to be unhappy with what happened.
~Before the Sin
The introduction to Katrina Amaterasu, a young gypsy girl who was separated from her clan in an accident. Yuuka finds her running from some guards after she was caught playing cards tricks to her advantage. After time passes, Yochi calls on Yuuka to investigate an oddity of flowers, only to trick the gardener into visiting the shrine of lower entity. The shrine, though, is not empty, a demonic shrine maiden awaits inside.