The first OST "Ring My Bell" was sung by the female lead herself, Suzy. Seulong and Kisum will be the voices behind the second OST titled "Finding Difference", which will be the theme song for Suzy and Kim Woo Bin's sweet romance.
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Listen for "Finding Difference" during Suzy and Kim Woo Bin's romantic scenes on 'Uncontrollably Fond'! The release is set for July 7 KST.