IU is going to captivate you with her enchanting appearance in the still cut of rookie Yoon Hyun Sang's upcoming debut MV where he and IU make a duet.

Still cuts of Yoon Hyun Sang and IU are released through the rookie's official Facebook page. The two are singing a duet song titled 'When Would It Be', the title track of Hyun Sang's debut album 'PianoForte' which will be released on October 30.

With Yoon Hyun Sang in piano, and IU looking like a fairy with a Rapunzel-like hair and captivating aura, it appears like the MV is going to have a fantasy concept.