The story is set after the first Inazuma Eleven anime and game.
The series has Akihiro Hino and Yumi Kamakura as the chief directors with Hino working on the series composition.
The second series is underway with Orion no Kokuin and after revealing the release dates for the four volumes we have a full packaging spread out now for the second set that landed on October 25th, 2019.
The spring 2018 anime series Inazuma Eleven: Ares no Tenbin is getting its home video releases handled by Kadokawa and they’ve set a decent if slow rollout for it.