During the Smoke War. Human screams and anger mingled within the smoke, and it was impossible to tell if people were going mad because of the smoke, or if the smoke was rising from the voices of the mad. That smoke was thick with the scent of people and fire.

Lobotomy Corp. Faction: The new L (Lobotomy) Corp, aiming to take a new seat by toppling the unstable old L Corp; Udjat, a mysterious Grade 1 Office working under a certain individual; R Corp's 4th Pack, providing an infinite supply of troops; I Corp, which hired the entire Liu Association from Sections 1 to 6; K Corp, famous for its ampules that perfectly heal biological organisms. And the Thumb, looking to secure their own interests.

Smoke L Corp. Faction: Smoke L Corp. They produce energy using a Singularity related to smoke and currently hold a seat as a Wing. They had established cooperative relationships with other Wings to provide energy, but they sold it at such high prices and the smoke used in production was so toxic that those who inhaled it suffered—experiencing pain throughout their bodies, standing dazed, or suddenly wishing for someone else's happiness. As a result, dissatisfaction grew among other Wings, leading to the Smoke War. The "Root" spewing that smoke was so hideous that those who saw it would vomit, and as the war intensified, the smoke spread throughout the City. G Corp. Possesses a Singularity that transforms parts of the human body into insects. They have deployed soldiers who have undergone Singularity procedures for the war. They are the main force on the battlefield, which is swarming with soldiers in blue work clothes possessing various parts like insect wings or mantis arms. Among them, the Prince of Maggots, the Princess of Moths, and the King of Flies are G Corp's Special Decisive Battle Weapons that dominated the battlefield, though the King of Flies was eventually slain by Valentina.