Details on the debut single for singer Lee Ha Yi has been revealed. Lee Hi's agency YG Entertainment updated their official blog and posted a photo of Lee Hi showing her concept and new look for her debut. Lee Hi made a huge transformation from her days in "K-pop star".

Also, her debut single is entitled "1,2,3,4" and will be released on the 29th of October. The producers for her debut single are Choice37 and Lyida who have produced singles for YG Entertainment artists in the past as well and Masta Wu also lend a helping hand in producing the single. YG Ent.'s very own Yang Hyun Suk is also looking after every single detail in Lee Ha Y's debut. Stay tuned for more photo teasers of  Lee Ha Yi.