Negima!

I Hope the Memory of Our Friendship Will Be Eternal (Amicitiae nostrae memoriam spero sempiternam fore) (1x14)

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Konoka causes a ruckus with Negi, in the process making a mess and breaking Asuna's alarm clock. Negi and Konoka venture to Harajuku to buy a new clock for Asuna, not knowing they are being stalked by the Cheerleaders (Misa, Sakurako, and Madoka).