[DeepL Translation - needs review] Volume 1 Introduction: Five years ago, a mysterious bubble suddenly descended upon the world. The bubbles, which possessed an unknown power, engulfed the city and destroyed Tokyo. After the people left, the young people who stayed behind became enthusiastic about "Battle Cool," a battle for survival. However, Hibiki, the ace of the Blue Blaze, despite his high physical ability, has a secret that prevents him from fitting in with the team. One day, when he i...
