I Hope the Memory of Our Friendship Will Be Eternal (Amicitiae nostrae memoriam spero sempiternam fore) Mahô sensei Negima! : Season 1 Episode 14

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).