PN_1 (ZEROBASEONE) member Sung Hanbin continues his OST activities. Sung Hanbin participates as the fifth artist for the OST of the tvN drama Spring Fever, releasing the song "You Are Spring" on January 20 at 6 PM through various music platforms.

The drama Spring Fever centers on the romance between teacher Yoon Bom (played by Lee Joo-bin) and male lead Seon Jae-gyu (played by Ahn Bo-hyun). The story depicts how the two protagonists warm each other's hearts as the season changes from the cold winter to spring. The drama has received great acclaim from viewers both domestically and internationally.

"You Are Spring," sung by Sung Hanbin, is a lyrical song expressing the moment when Jae-gyu heals his wounded heart through spring and begins to love. The song is a medium-tempo rock genre, with Sung Hanbin's clear and transparent vocal tone leading the drama's romantic narrative and enhancing immersion.

In addition to group activities, Sung Hanbin has consistently worked on OST projects. Notably, last year he gained attention by solely participating in the main theme song "CHAMPION" for Mnet's World of Street Woman Fighter (WSWF). Upon release, the song entered the Melon HOT100 and Bugs TOP100 charts, and Sung Hanbin became the first 5th-generation solo artist to rank No. 1 on the 2025 Bugs real-time chart and reach the TOP 5 on the daily chart.

Furthermore, "CHAMPION" ranked in the TOP 10 of the iTunes "Top Songs" charts in 12 regions worldwide and dominated real-time trending on X (formerly Twitter), proving its popularity. These achievements have raised expectations for Sung Hanbin's new release "You Are Spring."

The Spring Fever OST Part 5 "You Are Spring," featuring Sung Hanbin, will be available on various music platforms on January 20 at 6 PM. Sung Hanbin's OST activities are expected to continue in the future.