Han Seo-in, a former member of the girl group The Sea and Five Dolls, heralded a new start.

Han Seo-in, who was active in the girl group The C.Y.A. and Five Dolls before as "Oh Yeon Kyung" is drawing attention by signing an exclusive contract with Story & Plus and signaling more active activities.

Han Seo-in, who debuted as The Sea in 2012, participated in Brown Eyed Soul's album. That drew much attention with her outstanding singing skills and proved her potential as a monster rookie by taking the top spot on the music charts through her single "Feat. Burn of SPEED."

Han Seo-in, who also captivated listeners' ears with her mournful tone and dreamy and boyish charm, joined the Five Dolls as a new member of the Five Dolls in 2013 and received much attention for her appealing voice and colorful performances.