"Co-ed School was a dynamic ten-member co-ed group that made waves in the K-pop scene under the management of Core Contents Media, which is now known as MBK Entertainment. The group showcased their talent through two captivating sub-units, SPEED and F-ve Dolls, each bringing a unique sound and style to the table. With a lineup including Soomi, Kwanghaeng, Yoosung, Taewoon, Kangho, Chanmi, Noori, Hyoyoung, Hyewon, and Sungmin, Co-ed School made their debut on October 28, 2010, leaving a lasting impact on fans. While the group eventually disbanded in 2013, their legacy lived on as both SPEED and F-ve Dolls continued their journey as independent groups under the guidance of MBK Entertainment."