OH MY GIRL - Real World (Music)

Coloring Book is the fourth mini album by OH MY GIRL. It was released on April 3, 2017 with "Coloring Book" serving as the album's title track. JinE did not take part in the album's production and promotion due to continuing recovery after being diagnosed with anorexia in August 2016. She subsequently left the group on October 30, 2017.