Nanashi Mumei (七詩ムメイ) is a female English speaking Virtual YouTuber associated with hololive. She debuted in 2021 as part of hololive English -Council-, the second generation of members of hololive English, alongside Tsukumo Sana, Ceres Fauna, Ouro Kronii and Hakos Baelz.

Mumei is currently a member of unit "hololive English -Promise-" alongside IRyS, Ceres Fauna, Ouro Kronii, and Hakos Baelz.