Ena Hillenbrand Susanne (pronounced Iina Suzane Hirenbrant) is one of the main protagonists of the series. She is the 3rd daughter of one of Duke Bleichröder's retainers, the Hillenbrandt family. After getting kicked out by her family, she trains in solitude. And together with Louise, they joined the Adventurer School in Bleichbürg where they met Erwin and Wendelin. (Source: Hachinan tte, Sore wa Nai Deshou! Wiki)