Japan has been under the constant threat of giant monster attacks for a number of years, with giant heroes employed by the monster defense agency Midas only barely holding off the attacks. The one-legged girl Aki moves to the new seaside capital Isora after she is saved by the strongest hero Red Eye. She has an unfortunate encounter with a mysterious boy named Gaito, and later finds out that he is in fact her long-admired hero Red Eye. ([ANN](https://www.animenewsnetwork.com/news/2024-02-02/daruma-matsuura-sora-karin-kaya-tsukiyama-launch-new-manga-about-heroes-fighting-kaiju/.207129))