|Occupation||Composer First Time/Drummer|
|Cast in Drama||Ha Jae Young|
|Anime Vocal||Kim Chang|
Jung Hyunsoo is also part of the supporting cast and alos a talented composer as well as good drummer in a band. He was a former lover of Kang Mee-hi, a spouse to Kim Yeonhee who is mother to Jeong Yoojin, a close friend to Professor Kim Jinwoo, an,a father to Jeong Yoojin and Huujin. He died when Yoojin was ten years old He also compose the musical piece First Time.
He appears to be slender in feature with dark black haired face thus,he usually is perceived to be tall in appearance and his appearance is proven to be magnet for women when he was young.
He is silent,reserved yet he is unable freely expressing his emotions towards other people which lead him to be cold and unfuzzed over petty issues over relationships. He is firm and steadfast in his decisions and convictions.
Jung Hyunsoo was supposed to be with Mee-hi, unfortunately the family of Mee-hi disapproved for both of them, He decide to wed Kim Yeonhee though Mee-hi was invited and rendered musical piece which Hyunsoo composed "First Time". it was a tearful and heartbreaking scene for Mee-hi and made a roller coaster ride with Hyunsoo after their wedding with Yeonhee.
He is her father and had fond memories with her during "first snow" , she was carried at his back and felt like being protected.
She was a former lover of Jung Hyunsoo, She played "First Time" during their wedding with Kim Yeonhee.
She is a daughter for the couple Jung Hyunsoo and Kim Yeonhee
- Jung Hyunsoo is a talented composer who composed musical piece entitled "First Time".
- he is also talented a drummer in a band.