• Japan
    21 April 2018
  • France
    11 June 2018
    (Annecy International Animation Film Festival)
  • South Korea
    9 October 2018
  • USA
    9 November 2018
    (limited)
  • Japan
    5 December 2018
    (DVD and Blu-ray premiere)
  • USA
    5 March 2019
    (DVD and Blu-ray premiere)
  • France
    17 April 2019