Natsuki Watarai, a high school student with a kind heart but a lackluster appearance, is troubled by the fact that he is not popular at all due to his family being members of the Yakuza. One day, when he was depressed because he had been dumped by a girl as usual, he was attacked by a hostile group that invaded his house, and he lost his life without being stunned. However, when he wakes up, he somehow finds himself reincarnated in another world as a handsome elf!? After his reincarnation, the mysterious flying cat Nyangel gives him a big mission: "Save the world." Although confused, Watarai continues to move toward his mission, captivating those around him with his innate kindness, love, and pheromones. Will his good looks save the world? A gag harem adventure story of the hero Watarai!