https://www.wowow.co.jp/detail/103371
Saw this movie on a plane a few months ago, and did my best to find it and translate it. It appears to be very little known in the west, I really liked this movie and I hope you can all share it if you liked it as well.
IMDb: https://www.imdb.com/title/tt3415872/
Torrent: nyaa.si/view/1231735