Hiroe's older sister. Mayaka always tries to help Hiroe with her "problem" pulling out all the stops. During the first episode, she used hypnosis to help Hiroe achieve orgasm by simply touching her. That plan was later scrubbed for Episode 2. Voice Actress: (JP) Arisa Andou/(EN) Tiffany Grant, credited as Lucy Moralez in the original SoftCel dub/Kelly Benz in the new Critical Mass DVD.