Klara is a recently transferred student to Pravda Girls High School. According to Nonna, she is from Novosibirsk, an actual city in Russia. She is good at Sensha-dō, as she managed to be part of Katyusha's trusted team in a short length of time. Also, she takes good decisions and predictions regarding the enemies' behavior in battle. She is the commander and gunner of her tank, a T-34/85.