Mami Nanami (七なな海み麻ま美, Nanami Mami) is the main antagonist of the 2017 romantic comedy manga Rent-A-Girlfriend and its 2020 anime adaptation. She is a student of Nerima University and the ex-girlfriend of Kazuya Kinoshīta whom she dumped in favor of dating someone "new", thus setting off the some events through the series.