Yoo Yeon Jung (WJSN (Cosmic Girls)) - Lemon
Yoo Yeon Jung (WJSN (Cosmic Girls)) - Somebody Like (OST Not Others Part.4)
Yoo Yeon Jung (WJSN (Cosmic Girls)) - Secret Love
Yoo Yeon Jung (WJSN (Cosmic Girls)) - 시작의 드로잉 (Beginning of Our Drawing) (OST My Roommate Is A Gumiho Part.3)
Yoo Yeon Jung (WJSN (Cosmic Girls)) - 피안화 (OST More Than Friends Part.7)
Yoo Yeon Jung (WJSN (Cosmic Girls)) - Your Name (OST The Undateables Part.2)
Yoo Yeon Jung (WJSN (Cosmic Girls)) - Meloholic (OST Meloholic Part.4)
Yoo Yeon Jung (WJSN (Cosmic Girls)) - Dazzling You (OST Queen for Seven Days Part.1))