Viktoriya Ivanovna Serebryakova (ヴィクトーリヤ・イヴァーノヴナ・セレブリャコーフ)

Viktoriya Ivanovna Serebryakova is a mage and a conscript in the Empire's army, and in the past were a member of Platoon 3 under Tanya's leadership. After that, she joined the new Wing Battalion named "V601" to serve as Tanya's adjutant.

(Source: Youjo Senki Wikia)