Negima!? Magister Negi Magi

Rather Than a Question of You Being the Enemy, the Issue Is Really Whether or Not You are a Nuisance to the Master (1x13)

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All of Class 3-A has found out about Negi's secret about being a mage and because of this, Negi is punished by being transformed into a chupacabra. Even worse is that Class 3-A has been transported to the World of Illusions. How will Class 3-A get out of this situation?