On September 13, the idol singer wrote, "It's coming, it's coming!! #B1A4 #comeback #bana".�He revealed a black and white photo of the studio, displaying fancy mixing equipment.

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B1A4 recently confirmed their comeback for the end of this month. Are you ready for it?

???? ???!!?? #b1a4 #comeback #bana

A post shared by b1a4 jinyoung (@jinyoung0423) on Sep 12, 2017 at 9:33am PDT