Summoned to Another World for a Second Time
After his reincarnation from another world, Setsu leads a new life as a high school student. However, for an unknown reason, he is summoned back to the same world, Eclair. Before he can enjoy his return, he becomes embroiled in the war with the demons that he had originally ended. Though his old comrades rush to his aid, he also notices his old friend's magic on the battlefield. What is going on in the world of Eclair that Setsu enters for the second time?"
Aired 09/04/2023EP 1 - Summoned to Another World for a Second Time

Summoned to Another World for a Second Time
There was once a hero who was summoned to another world, and he saved that world. However, the man was caught in a "trap" and was forcibly returned to his original world. On top of that, he had to start over as a baby… This is the story of a crazy journey in another world where a former hero who was reincarnated into a slightly gloomy high school student is "resummoned" back to that same world! There's a lot of room to work with when it's the second time, huh♪
(Source: Coolmic)