かちゅーしゃちゃん
She likes to be the best at everything. She wants to be the best in a tank. This is what she is aiming for in "Sensha-do.”
However, she doesn't want to be the first to go to the doctor for a checkup

Katyusha-chan.

English:

She likes to be the best at everything. She wants to be the best in a tank. This is what she is aiming for in "Sensha-do.”
However, she doesn't want to be the first to go to the doctor for a checkup