Nemu Kurotsuchi (涅 ネム, Kurotsuchi Nemu), official designation Nemuri Hachigō (眠八號, Sleeping Number Eight) is the eight edition in the Nemuri Project (眠企画, Nemuri Kikaku). She was the replacement constructed by Mayuri after the death of her previous incarnation, Nemuri Nanagō (眠七號, Sleeping Number 7), and was created shortly after the end of the war with the Wandenreich.