In 2015, Kelly began voice acting with Sentai Filmworks while still attending the University of Houston. Her first lead role was Satone Shichimiya in the hit series Love, Chunibyo & Other Delusions -Heart Throb-. She had only been voice acting for four months when she landed the lead role of Mine in the action anime Akame ga Kill!, which would appear on Adult Swim's Toonami programming block. She was also the voice of Koko Kaga in the romantic-comedy, Golden Time. Her talent became noted by directors from Dallas, which led her to land the role of Yamato in Kancolle, a dub produced by Funimation.