A Different Kind of Fight Episode 2

During an audience with Emperor Nero, Agrippina orders Cestvs to fight the young guard Ruska. After being choked out by fighting prodigy Ruska, Cestvs is discouraged by his first defeat, but when Zafar tells him that he has a future, he pledges to become stronger. Time passes, and Cestvs visits Pompeii as part of Drisco's boxing group, where he encounters Pompeii's strongest fighting slave, Emden. At the mansion he is invited to, he spots a person sneaking in late at night... who turns out to be a beautiful woman. Who is she really?!