Shizuku Ashuu

A powerful N-City Magical Girl, as well as Sister Nana's lover. She wears a thick winter coat as her Magical Girl outfit. Her ability lets her create walls of any form, depending on the terrain.

[Spoiler] She is the sixth magical girl to die due to blood loss, after being stabbed by Yunaelle, and having her arm sliced off by Swim Swim. [/Spoiler]

(Source: Magical Girl Raising Project Wiki)