About

Setting and Energy ・New Million: A city where high-energy bodies called "Substances" rained down. ・Substance: Crystals that possess immense energy but also cause harmful pollution and disasters. ・Million State: Four urban sectors that have achieved unique development by controlling and utilizing Substances. Hero Organization "HELIOS" ・HELIOS: A counter-measure agency that protects the city from Substance-related disasters and hostile organizations. ・Hero: A national qualification for those who draw special abilities from Substances to maintain peace in the city. ・Sector: Divided into four districts—South, North, West, and East—each overseen by Heroes. ・Buddy System: A training and combat system where a senior (Mentor) and a junior (Rookie) act as a two-person team. Hostile Forces ・Eclipse: A mysterious terrorist organization aiming to destroy and plunder the city by misusing Substances. ・Stains: Monsters mutated and turned violent by the influence of Substances, which the Heroes fight.