Jewelry-S, which consists of Semi and Yewon, has got fans on the edge of their seats in anticipation of the sub-unit's debut with "Forget It" this week, and we're getting our first peek with a thirty-second teaser today! True to Star Empire's word, the duo delivers a fresh and playful concept: the song features a youthful melody, and the music video is full of feathers, umbrella-dancing and bright colors. Check it out below! For those of you that are anticipating the full release of the duo's single, mark your calendars for September 21!