Puff is a Sanrio character, depicted as a cheerful and fluffy sheep-like friend associated with the wider Sanrio cast. As a Sanrio character, Puff is generally presented in a cute, gentle style rather than as a deeply story-driven anime protagonist. The character’s role in the series is mainly to contribute to the charming, playful world of Sanrio Characters, appearing as part of the brand’s mascot lineup and supporting the overall theme of friendship, softness, and whimsy.