When she awoke from her long sleep "inside the bag," it was a strange era and world――. Mia, a "vampire" girl, is entrusted to Damian, a counselor for an organization. Her life with "humans" in "Italy" begins. This is a story of those "left behind" that "were never supposed to be connected." A huge sensation on social media!! "Mafia" × "Vampire" × "Child-rearing"