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The idol released a brief teaser clip explaining the theme of the upcoming track, revealing tiny hints of the song with Hojoon's beautiful voice! Titled "Back Then", the track will be Hojoon's first ever solo track apart from Topp Dogg!

The full online release of 'Come Back Mister' OST Part 7, which includes Hojoon's "Back Then" as well as Na Yoon Kwon's "The Sorrow of Love", drops March 31!