Kim Jae-hyun

Kim Jae-hyun is a South Korean musician and actor, best known as the cheerful drummer of the rock band N.Flying. In recent years he has built a second career on screen, and he takes a leading role as No Da-ju in the youth drama Absolute Value of Romance (2026). His bright energy and comic sense make him a natural in front of the camera.

Kim Jae-hyun is about 181 cm (5 ft 11 in) tall.

Early life

Kim Jae-hyun was born on July 15, 1994, in Seoul, South Korea. Music runs in his family: his older sister is Kim Jae-kyung, a singer and actress known from the group Rainbow. He trained under FNC Entertainment and learned drums, performance and acting before his band debut.

Career and breakthrough

Kim Jae-hyun debuted with N.Flying in Japan in 2013 and in Korea in 2015, and the band became loved for fun, energetic live shows. As an actor, he appeared in the web drama 88 Street (2016) and All-Boys High (2019). He also acted in Japan, joining the drama Love You as the World Ends, which introduced him to Japanese viewers.

Popular roles

Fans enjoy Kim Jae-hyun's funny and honest personality on variety shows and in N.Flying's own content, where his jokes and big reactions shine. On screen he often plays lively young men close to his real self, and his film role in the horror movie The Ghost Station (2023) showed he can handle fear and tension too.

Recent work and why fans love him

In Absolute Value of Romance (2026), Kim Jae-hyun plays No Da-ju in a school story about young love and the true value of feelings. Fans love his warm smile, his loyalty to his band and his endless energy. Many are excited to watch the drummer grow into a leading actor.