Ketsuraku Fetishism (Light Novel)

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," (Ketsuraku-bu) the activities of the group of youth who are "lacking" begin.