Rainbow's first ever sub-unit, Rainbow Pixie, has just unveiled their music video for "Hoi Hoi"! This sugary-sweet MV brings out all the aegyo and girlish charms that members�Seungah, Jisook, and Hyunyoung have to offer. In the video, the girls play at being fairy matchmakers for couples who need a little magic to get together. Check out their MV below: