Rookie singer Haru takes the stage as the fourteenth OST performer for the KBS 2TV weekend drama 'Doctor Romance.' Haru's 'Oh, Love Is Cruel' is set to be released on the 21st at 6 p.m. through various online music platforms. The song is a medium-tempo trot track that combines a bright, lively rhythm with bittersweet emotion, capturing the longing and pain of an unforgettable love. An addictive chorus that anyone can easily sing along to blends seamlessly with Haru's restrained emotion and solid vocals, heightening the song's overall immersion. Notably, this OST boasts a high level of completion under the overall production of producer Song Dong-woon, who has produced hit songs for dramas such as 'Goblin,' 'Descendants of the Sun,' and 'Hotel Del Luna.' Singer Haru first gained attention as the youngest-ever winner of the King of Kings competition on KBS 1TV's 'Morning Yard - Challenge! Dream Stage' and later rose to the TOP2 on MBN's 'Nameless Legends,' establishing herself as a talented powerhouse. Recently, she has been actively continuing her career with album releases and the '2026 Nameless Legends National Tour Concert.' Meanwhile, the drama 'Doctor Romance' is a family drama that depicts the heartwarming story of two families overcoming misunderstandings and coming together as one. It airs every Saturday and Sunday at 8 p.m. on KBS 2TV. Photo = Lucce Entertainment.