
Arisunime — The anime Easygoing Territory Defense by the Optimistic Lord has released its first trailer and visuals ahead of its premiere in 2026.
Easygoing Territory Defense by the Optimistic Lord is based on a light novel written by So Akaike and illustrated by Kururi. As of August 2025, the novel has released 8 volumes.

Synopsis:
Van, the fourth son of a marquis, was still a toddler when he realized he had been reincarnated. Thanks to the knowledge he had accumulated over his lifetime, he was raised as a prodigy—until his magic manifested, and it was the last thing his arrogant wizard family wanted to see! His disappointed father banished him to a remote city on the brink of collapse, but Van could only see the potential in that place. Can our hero’s defensive fortress build a better life than battle magic?!***
Source: Anitrendz