Fushimi Ren lives by "lacking" death. He wishes to complete what he is lacking, in other words he wants to die. On his way back home, he meets a girl, Sherazade, who loves "lack". This self-proclaimed witch said that she will grants Ren's wish, but... Gathering to the mystery club "Lacking Club", the activities of the group of youth who are lacking begin. Source: Amazon.co.jp