Every move those KPop Demon Hunters girls make in Netflix's new dance video came from three real women in a dance studio, and one of them is the choreographer behind routines for BLACKPINK and TWICE. Her name is Leejung Lee. She and two other dancers, Bambi and Nara, performed the whole "How It's Done" routine start to finish, and then Netflix's animators turned them into Rumi, Mira and Zoey. Lee did the motion capture for Rumi in the original movie too. She's said she's usually wiped out…