Lee Mujin - 청혼하지 않을 이유를 못 찾았어 (Propose)
Lee Mujin - 에피소드 (Episode)
Lee Mujin - 청춘이 버겁다 (Heavy Days of Youth) (Prod. by Jeong DongHwan) (Veiled Musician X Lee Mujin with Hwagok-dong)
Lee Mujin - 여름인사 (Summer in Korea) (Demo)
Lee Mujin - 너의 뒤에서 (Behind You)
Lee Mujin - 쉼표 (Rest) (OST CASTAWAY DIVA Part.1)
Lee Mujin - 측정거부 (No MBTI)
Lee Mujin - 잠깐 시간 될까 (Ordinary Confession)
Lee Mujin - Slainte!
Lee Mujin - 개똥벌레 (Firefly) (Movie 'Ditto' X Lee Mujin)