User blog comment:IamJakuhoRaikoben/Chapter 503: The Last Sight Seen, Review./@comment-7418318-20160926132433/@comment-7418318-20160926133130

As far as I understood it, they called the trailer "concept movie" for some reason.

The project itself is only ever refered to as just that "project". Hence my wondering which one it'll be, a movie or series.