Cautious Hero: The Hero Is Overpowered but Overly Cautious

Cautious Hero: The Hero Is Overpowered but Overly Cautious is also listed as Shinchou Yuusha: Kono Yuusha ga Ore TUEEE Kuse ni Shinchou Sugiru on some trackers — same show, different title convention. WHITE FOX produced this TV series across 12 episodes. It's finished airing, so the whole thing is watchable start to finish.

Genre-wise it's tagged Action, Adventure, and Comedy, which is the throughline if you're browsing by mood rather than by name. If Cautious Hero: The Hero Is Overpowered but Overly Cautious works for you, Attack on Titan and Demon Slayer: Kimetsu no Yaiba are close matches — see the full related list below.