Born in Tokyo. Tsuboi graduated from the Japan Institute of the Moving Image, then enrolled in the Department of Body Expression and Cinematic Arts at Rikkyo University. There, he worked on Makoto Shinozaki’s Sharing (2014), Wish We Were Here (2018) and Kiyoshi Kurosawa’s Journey to the Shore (2015). Sacrifice is Tsuboi’s feature debut and the first film to be produced with a scholarship from Rikkyo’s Department of Body Expression and Cinematic Arts.