She has become a well-known voice actor. She played "Suki" in the television show and video game. She voiced "Satoko Houjou" for the 2007 TV show "When They Cry." Kwan also voiced "Mayuko Nise" for the 2021 television show, "High-Rise Invasion." She was also in "Raya and the last dragon", and "Onward"!