While working for NESTS, she would not fail to kill anyone she found unworthy. During her time with NESTS, her feelings were repressed, as she was portrayed as a cold girl executing her mission. Her personality later warmed,Through Dead or Alive 6's story, Marie Rose is shown to be both devoted and loyal, seen in how she behaves towards Helena who she is a servant to, and Honoka who she befriends during the course of their time together. She is also caring and protective as she tried to prevent 