BTS' Rap Monster�has joined the lineup for the upcoming Chuseok special on�KBS, the�variety show 'Gura Chacha Time Slip - New Boy'.

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Rap Monster is joining Kim Gura, Cha Tae Hyun, Kim Byung Ok, and Eun Ji Won�for the show, which will revolve around the cast members reliving history. They'll create their own "time slip" in order to experience a time in the past.�

Check out the teaser for the pilot variety show below!