Mayumi Kikuiri

Mayumi Kikuiri is a minor character in the Baka to Test to Shoukanjuu series. She is a student in Class 2-B in Fumizuki Academy and is good friends with her classmate Ritsuko Iwashita.

During the Summoned Being Tournament, she and Ritsuko fight as a team against Akihisa Yoshii and Yuuji Sakamoto in the first round. Despite their combined 100-point lead, they are defeated.

In the Matsuri OVA, her Shokanjuu has a squirrel-like tail, wears armor, and wields a mace.

(Source: Shoukanjuu Wiki)