The Hero Summoned from Another World is a CatIsekai kara Yuusha wo Shoukan Shitara Neko deshita; 異世界から勇者を召喚したら猫でした; The Hero Summoned from Another World is a Cat; Cat: The Heroic Warrior

In a world where the demon king who has long laid dormant has reawakened, mankind decided to summon a hero from another world to stand against him. However, the one that appeared from the other world was an unfamiliar being, a 'cat'. This is an isekai fantasy where people from a world where cats do not exist fall head over heels for a cat's cuteness!