簡介：A typically quiet suburban community descends into chaos and paranoia after the delivery of mysterious red letters containing deadly instructions.

簡介：為了證明自己的清白，一名被誣陷犯下重罪的騎士向擅長變形的少女求助。但如果這名少女正是他曾立誓要消滅的怪物呢，他又該如何是好？