aespa’s Winter is lending her voice to the soundtrack of 'Resident Playbook.'

Studio MaumC announced that OST Part 3, titled “On a Day Like That," sung by Winter, will be released at 6 PM KST on April 19 via various music streaming platforms.

“On a Day Like That” is a heartfelt ballad designed to comfort listeners on days that feel down for no reason, days of loneliness when no one comes to mind, the kinds of days everyone experiences at least once. With lyrics like "The blowing wind / My tears fall for no reason" and "The passing breeze / Wipes away tears for no reason," the song gradually delivers hope and strength to help listeners overcome such moments.

Winter’s signature, clear and unique tone, adds emotional depth to the track. According to producer Ma Joo Hee of Studio MaumC, “Winter showcased a vocal depth that differs from what she’s shown before. The recording process went smoothly thanks to her incredible skill. This song has truly found its perfect match.”

“On a Day Like That” is expected to bring healing and encouragement to both the first-year residents in the drama and viewers alike. Composer HEN, known for his work on hit dramas like 'Be Melodramatic,' 'Mr. Sunshine,' and 'My Liberation Notes,' wrote, composed, and arranged the track, ensuring top-tier quality.

'Resident Playbook,' a spin-off of the hit series 'Hospital Playlist,' follows the journey of first-year medical residents as they grow and adapt to their new roles. The drama has won hearts with its warm, relatable portrayal of the ups and downs of everyday life in medicine.

Meanwhile, Winter’s OST “On a Day Like That” for 'Resident Playbook' will be released on April 19 at 6 p.m. KST across major streaming platforms.

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