Mikko's is a second year student of Jatkosota High School and driver of a BT-42 in Senshado. She is very hot-blooded and very excited. Mikko is 143 cm tall, and she has brown-reddish hair, pale skin and brown eyes. Mikko's friends are Aki, a very shy and happy girl, Mika, her commander who is very smart and pretty, and Jouko, a very quiet girl who is a very good gunner. She is 16 years old and was born the November 22nd in Kanazawa City. Her favorite tank is the BT-42, which she drives.