Girl group Rainbow lent their sweet voices for the soundtrack of ‘Rainbow Rose’.

On September 27, Rainbow released their latest single titled “Sweet” for the Part 2 of ‘Rainbow Rose’ OST album. This followed labelmate KARA’s Kang Jiyoung’s OST single “Rainbow Rose” which was released on the 19th.

The drama ‘Rainbow Rose’ was first aired in Japan in April and received great popularity due to the main characters. The series began airing in Korea’s cable channel Tooniverse starting September 6th.

Check out the song below: