Viktoriya Ivanovna Serebryakov/Relationships

Tanya von Degurechaff
She believes her superior is cute and adorable, admires her as one of the most patriotic and loyal soldiers of the Empire. As her subordinate, she always avoids complaining and follows her commands at any cost. However, there are some times when she feels scared of Tanya, mostly when she acts aggressively to her subordinates.

Vooren Grantz
According to the anime, they seem to develop feelings for each other.