This AU is called “Dilemma of Corruption” the AU follows as this cyberpunk world where VOCALOIDS have some type of special ability some from voice objects and skill which they use to eradicate a certain type of AI parasite that gives Corruption (Insecurity) onto the victim they lash on corruption exist in everyone but it’s harmless if it’s under 60% unlike others Fukase is a glitch which drains his friends powers if he’s close to them. This time he got consumed by the corruption