A high school senior and Chris's daughter. Initially befriends Kyla and Tricia, but uncovers Kyla's obsessive affair with her father. She confronts Kyla at the hospital, warning her relationship with her father is over. She is violently stabbed by Kyla at school but survives, manages to subdue Kyla in a fight, and eventually recovers to start college.
Chris is Riley's biological father and primary guardian throughout the film.
Kyla and Riley initially form a friendly social bond as fellow students.
Riley and Tricia form a supportive friendship alliance early in the story.
Explore the full interactive character relationship map of My Teacher, My Obsession