The 'prologue' was uploaded to show a small snippet of Hani's voice for the duet, but it also shows the two idols being giggly for the entirety of the 9 seconds of the video. 

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As STARLIGHTs already know, Ken is one of VIXX' power vocals and has been praised constantly for his vocal abilities. He showed off his vocals on various shows, including the recently 'Hidden Singer' appearance and will also soon be performing in the musical 'Chess'. The song is one that's described as fitting the summer season and emphasizes his personality.

Get ready for the song's release on the 24th!