In a world where evil reigns supreme, a powerful goddess named Ristarte summons a hero from another world to save the day. However, this hero, Seiya Ryuuguuin, is not your typical brave and fearless warrior. He's overpowered, but also overly cautious, spending his days training and preparing for every possible situation. He buys excessive amounts of supplies and potions, and even fights weak enemies with his strongest skills, just to stay safe. Despite his annoying attitude, Seiya's cautious nature might just be the key to saving the world of Gaeabrande from destruction.

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