Anime

This Hero is Overpowered but Overcautious (この勇者が俺TUEEEくせに慎重すぎる；Kono Yuusha ga Ore Tueee Kuse ni Shinchou Sugiru'') is an anime series by White Fox based on the light novel series of the same name written by Light Tuchihi and illustrated by Saori Toyota.

Synopsis
The story begins when the goddess Rista summons a hero to help her save a difficult S-class video game-like world called Gaeabrande. The hero, Seiya Ryuuguuin, is exceptional in every way, but he is incredibly cautious. He buys three sets of armor (one to wear, a spare, and a spare for the spare) and uses goes full power, using Atomic Slash against weak slimes (just in case).

Together, Rista and Seiya travel Gaeabrande, saving towns, in a quest to defeat the Four Demon Kings. Along the way, they find two dragonkin friends Mash and Elulu, who help Seiya carry his baggage. In this adventure, Rista and Seiya meet many exotic demons, monsters, soldiers, and gods, with Rista ultimately discovering who she and Seiya are as well as the special bond between them.

Music

 * Opening Theme: "TIT FOR TAT" by Myth & Rod
 * Ending Theme: "Be Perfect, plz!" by Riko Azuna

Trivia

 * In the opening song, at the start of the series every one of the four heavenly kings is hidden in shadows. However as the series progressess, whenever a heavenly king is defeated, they are taken out of the shadows and fully revealed
 * Since the Demon Lord does not fully appear until the last episode, in which the opening songs doesn't play as usual to begin with, the Demon Lord is always in the shadows, in the opening