Born in Fukuoka in 1987. Katanosaka studied film at Seian University of Art and Design and worked freelance on various projects, including corporate commercials. In 2015, he founded the production company Office Kabochi and made his feature directorial debut with Tabi no Yamabiko (2015), for which he also wrote the screenplay and edited. He taught himself animation and went on to create his first commercial animated feature, Shiranui.
