Trendsetting BOYNEXTDOOR Sings the OST for “The Royal Lady of the 21st Century”…Emotional Synergy

Trendsetting K-pop group BOYNEXTDOOR sings the OST for “The Royal Lady of the 21st Century” with “No Doubt”

The K-pop trendsetting group BOYNEXTDOOR will take on the role of singer for “No Doubt”, the original soundtrack (OST) for the MBC drama “The Royal Lady of the 21st Century”. Kakao Entertainment said on the 17th that this OST is set to become a key track that deepens the drama’s immersion and storyline.

Released simultaneously across major global music platforms at 6 p.m. on the same day, “No Doubt” is a song built on a warm, lyrical country-pop sound. Distinct modern guitar melodies, paired with the members’ emotive harmonies, will come together in a polished, satisfying arrangement to elevate the drama’s atmosphere.

In particular, BOYNEXTDOOR is showcasing its outstanding vocal abilities through this well-made OST, and it’s also preparing a major new release next month—raising expectations among fans worldwide.