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Caligula

カリギュラ

High school student Ritsu Shikishima lives a peaceful life with his friends in an idyllic world. His reality shatters when he hears a distorted voice pleading for help, which belongs to μ, a virtual pop idol. As her song spreads, the world glitches, and people transform into berserk monsters called Digiheads, targeting those who awaken to the truth.

Ritsu discovers they are all trapped in Mobius, a virtual reality program created by μ to escape real-world pain. He joins others who have realized the deception, forming the Go-Home Club to fight their way back to reality. They must harness the Catharsis Effect, powers born from their emotions, to battle the Ostinato Musicians, loyal enforcers of μ who see them as traitors.

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