In Symbiotic Rituals (2017) two robots, Alter 2 and Alter 3 co-developed by Ikegami Lab, Tokyo University and Ishiguro Lab, Osaka University are interacting in a ritual which relates to fighting as much as to dancing, highlighted by the music from Keiichiro Shibuya. Justine Emard has made a series of man-machine interface video productions during her travels to Japan in the past.