Choi San of ATEEZ to Appear on 'Running Man'
ATEEZ's Choi San participated in the recording of SBS 'Running Man'.
Choi San has been gaining popularity with the 'BAD' challenge and the nickname 'Northern Grand Duke'.
Actress Han Ji-eun also makes her return to 'Running Man' after three years.
Original sources
Fan(Q) summary based on the linked public sources.