Let's Play Cherry Bullet! Hello, I'm Haeyoon! Haeyoon (Korean: 해윤; Japanese: へユン) is a South Korean singer currently under FNC Entertainment. Haeyoon was revealed as a contestant on Mnet's survival show "Produce 48" as a trainee representing FNC Entertainment. On August 30, she was eliminated in the finale episode with her final rank in 19th place. Several months later on November 22, 2018 she was announced as a member of the girl group, Cherry Bullet.