Co-Ed male members (Yoosung, Taewoon, Sungmin, Kwanghaeng, Inoh, Jongkook) will soon debut as sub-unit "SPEED". For the group's debut single, they will be remaking T-ara's "Lovey-Dovey" as "Lovey-Dovey Plus".

On February 9th, SPEED has revealed teaser images featuring T-ara's Hwayoung and Co-Ed's Hyoyoung. As recently reported, the twin will be supporting SPEED’s debut by featuring in their music video. Hwayoung and Hyoyoung will have a dance battle for the first time since their debuts.

SPEED's "Lovey-Dovey Plus" music video was inspired by Michael Jackson's "Billie Jean" and will be revealed through music sites on the February 10th.