Negima!? Magister Negi Magi

After Much Quibbling, In the End All It Comes Down to Is How You Feel (1x12)

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Yue has found out about Negi being a mage but refuses to form a pactio with him. Can Negi form a pactio with Yue before Shichimi and Motsu find out that Negi's secret is out?