인디고 차일드 (Indigo Child) – 늦었어 (Belated) (Vocal 한서은)
Track 01 from Single "늦었어 (Belated)"
Release Date: 2016.05.26
인디고 차일드 (Indigo Child) – 아직 (Vocal. Urban Boo)
Track 01 from Single "아직"
Release Date: 2016.07.20
인디고 차일드 (Indigo Child) – Want To (1, 2) (Vocal. 한서은)
Track 01 from Single "Want To (1, 2)"
Release Date: 2016.02.03