Actor Ma Dong-Seok has drawn attention by participating in Ateez’s Choi San’s “Bad” challenge on July 19, 2026 Ateez Bad challenge Choi San Ma Dong-Seok +
Atez Choi San 'Sight-catching abdominal muscles' on March 02, 2021 abdominal muscles Ateez Choi San Mountain Sight United States of America +