Pururin, also called Purin, is a fictional magical girl from the in-universe anime "Puru Puru Pururin" within the "Welcome to the N.H.K." universe. Existing solely as a media creation, she functions as a background element without narrative development across seasons, movies, or spin-offs.

As a magical heroine, Pururin transforms into objects such as pudding and characteristically appends "Purin" to her sentences. She navigates adventures while flying atop a sentient vacuum cleaner, supported by animated household objects. Specific powers or defined mission objectives remain undocumented.

Her personality stays largely undefined in the source material due to minimal screen time. Unofficial interpretations propose bipolar tendencies, unfavorable treatment of friends, and neglect of heroic duties, though these remain unsubstantiated fan speculation outside canonical material.

The "Puru Puru Pururin" anime airs during atypical late-night hours, implying a target audience of night-awake individuals like *hikikomori*. This scheduling and broadcast context contribute to thematic explorations of media manipulation within the narrative. Pururin's theme song, performed by Rumi Shishido, recurs as a cultural motif and ringtone.

No official backstory, character progression, or expanded media like OVAs or spin-offs exist beyond these traits. Pururin serves symbolically as an emblem of escapism and otaku subculture. Narrative merchandise includes figurines and life-sized body pillows, reflecting her status as an object of fandom.