She is an American tank destroyer that became a girl. She is shy and hates it when you touch her tail. 

A tank destroyer as a girl (Original pic: Daebom)

He is a youtuber with over 400k subscribers. He draws WarThunder tanks and planes as anime girls. And yes, Daebom is a guy.

He draws tanks as anime girls

An old German Maus was sitting in an abandoned military base. Suddenly, it turned into a girl! No one noticed her. She started wandering around looking for someone that can explain everything to her. She knocks your door. Do you answer?