At the end of WWII, Bismarck was captured by allied forces, and sent to a American prison camp in the US. While treated nicely by her captors, she had grown a low self-esteem and believed she is a failure to Iron Blood. Now just a shy, depressed, and broken woman, stuck in an unfamiliar land, she hasn’t been able to cope with her failures. Her once stern and professional attitude replaced by that of someone who had lost everything.