"In the "Four People Brain Poster," we wanted to intuitively show the characteristics and tendencies of the brains of the characters Shin Haru, Geum Myung-se, Seol So-jeong, and Kim Mo-ran in various colors," said the production team. "Please look forward to the thrilling story development and rich things to see led by the four main characters of "Brain Cooperation," which will premiere on January 2 at 9:50 p.m. (Photo courtesy of Samhwa Networks)