Inoue Sonoko – ナツコイ / Natsukoi (여름사랑)
Release Date: 2016.06.03
Inoue Sonoko – Kiminideaeteyokatta
Release Date: 2016.02.24
Inoue Sonoko – どんなときも. / Donna Tokimo. (언제라도.)
Release Date: 2017.02.22
Inoue Sonoko – #17 / Seventeen
Release Date: 2015.07.01
Inoue Sonoko – エ-ル / Yell
Release Date: 2016.12.07
Inoue Sonoko – Daisuki
Release Date: 2015.10.21
Inoue Sonoko – ナツコイ / Natsukoi (여름사랑)
Release Date: 2016.06.29
Inoue Sonoko – Daisuki
Release Date: 2015.11.06
Inoue Sonoko – メッセ-ジ / Message
Release Date: 2017.04.12
Inoue Sonoko – メッセ-ジ / Message
Release Date: 2017.04.12