Cautious Hero: The Hero Is Overpowered but Overly Cautious

Season 1, Episode 4

Episode Title: I So Don't Need Any Allies

Air Date: 2019-10-30

Overview:

With a massive undead army approaching, Seiya dismisses any assistance from Mash, who does not take kindly to the snub. However, when Mash later turns up missing, it is up to Seiya and the others to rescue him from the enemy's clutches.