Eyeshield 21 one-shot "Brain X Brave"

Remember h21? The American football anime with where they have moves like Devil Bat Ghost. the artist for Eyeshield 21 Yusuke Murata uploaded an in-progress trailer for an upcoming special Eyeshield 21 one-shot. The only info we got is that it will be called Brain X Brave and it is going to be for the 21st anniversary of the series.

Full Video: https://youtu.be/doaRdokXyWA