Yaxis is one of Umbrellas test subjects and former mercenary. Her attitude towards others is cold, and she would choose betray on Navy due to self benefits. In truth, she is afraid about why she was chosen to play the Persona Nonary Game and just wanted to run away not caring about the other players. Even if it means to kill them in the AB Game. Navy was upset, but he wanted to understand more about her. Eventually, both grew feelings for each other after she confessed to Navy about her work. She may act tough and seductive, but she is sensitive and caring.