In the sequel to Machikado Mazoku, Shamiko, also known as Shadow Mistress Yuuko, is determined to lift the curse that has plagued her family courtesy of the Light Clan. Unexpectedly, she teams up with her rival Momo from the very same clan. Their quest leads them on a search for a missing magical girl while facing a menacing presence within the city. To add to the intrigue, Shamiko's enigmatic father might be closer than she ever imagined.