During an interview with OSEN, KNK talked about all of the support they received from their close sunbae groups!

First, the rookie group talked about their close relationship with BTS. Seung Jun said, "We used to be under the same label as BTS sunbaenims. They even came to our showcase, and they always cheer for us." 

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You Jin added, "We are also close with B.A.P. When we debuted, we took pictures together with them. Bang Yong Guk hyung and Himchan hyung take good care of us, but we haven't been able to see them in awhile since they're boverseas for a tour."