The one who protects the world by becoming one with the spirits, 'Mask Masters' exists. world. Against the forces of darkness, the new power of the Mask Masters, 'Synostone' together. Unimaginable transformation robot.
Yang Jeong-hwa
Um Sang-hyun
Ahn So-yi
Hansin
Jo Kyeong-i
Jang Min-hyeok
Jihyun Lee
Jeon Tae-yeol
Kim Eun-ah
Park Hee-un
Kim Eun-ah