SHIGUMA

 (シグマ) is a member of WeBANA and a former founding member of Shiro to Kuto no Material and Shiro no Aria (as Shiguma Miku (志隈未来)).

She joined WeBANA in August 14, 2019, and graduated April 7, 2021.

She returned as a temporary member on April 28, 2021, while KAHO was on hiatus from the group. She was then promoted back to a full member on August 27, 2021, when YURA joined.