Therese East Eckermann

テレーゼ・イースト・エッケルマン

Therese served the Sternbild Kingdom's princess as a knight. During her duel with Rou, she made a deal with him, stating that if Rou could defeat her, she was his to command. [Spoiler] She later becomes a lover of Rou. [/Spoiler] (Source: Re:Monster Wikia)