ここは俺に任せて先に行けと言ってから10年がたったら伝説になっていた。

Synopsis

The Hero's party was attacked by a large group of powerful devils. The party will no doubt be annihilated if this were to go on. One member of the party, the strongest mage, Rakku, decided to stop the enemies in their tracks. (Source: Shousetsuka ni Narou, translated)

Anime adaptations