Dendrite Sparkle has been the chief commander of Twilight Sparkle's brain for as long as she can remember, and the tasks of managing all the bodily functions and higher consciousness functions of a very anxious pony have left her exhausted and stressed.

The best way to give herself relief, she realizes, is to give Twilight herself relief.

Contains: Endo, Masturbation, and Anthropomorphized Brain and Body Cells.