A Friend in Need is a Friend Indeed

is the 15th episode of the Negima!: Magister Negi Magi (anime).

Summary
Home in the family estate for the summer break, Ayaka gets a visit from Negi (to her delight) and the rest of the class (to her horror). Ayaka's childhood memories with Asuna are also brought up, mentioning how Asuna made Ayaka smile and laugh again after she was saddened by her little brother's death.