Hachigō Nemuri

is Mayuri Kurotsuchi's artificially created "daughter", and the eighth "Nemu" of the Nemuri Project after Nemu Kurotsuchi.

Appearance
She is a short girl with long black hair. She wears the standard black Shinigami uniform which is held up by a light colored sash.

Personality
Nemuri is prone to shouting unnecessarily.

The Thousand Year Blood War arc
Ten years after the devastation of Seireitei caused by Yhwach, the reconstruction work comes to an end. Mayuri decides to head to a newly finished area to investigate its potential for a secret research facility and calls for Nemuri to accompany him.