Ray (real name: Reika Kisumi / 木須実怜花, born October 14, 1990), is a japanese singer-songwriter from Sapporo, Hokkaido. She was signed to NBCUniversal and, while not being affiliated to I've Sound, she recorded a bunch of songs produced by them from 2011 to 2017, breaking the record of I've songs performed by a guest artist, followed by Maon Kurosaki and MAKO.

On January 25, 2017, Ray announced her graduation from singing activities, with a final live and her best album Happy days released on the same year.

Despite the gradution announcement, on recent years she have been spotted performing as a singer again, however, this time under her real name "Reika Kisumi". In 2021, since her retirement as "Ray", she released her first two songs, SPARKLE JOURNEY and Sekai wa Futari no Tame ni, which were used as themes for the game "Happy Live, Show Up!"