If you are looking for an essay on a different topic, or if "Pihu Bhabhi" refers to a specific character in a story or film you would like analyzed, please provide more context so I can help you draft a proper piece.

The phrase "Part 2- pihu bhabizip" appears to be a reference to a specific file or a series of adult-oriented digital content rather than a formal academic or literary subject. Because this title is linked to a specific zip file or media series found on file-sharing sites, there isn't a factual or historical "essay" to be written about it in a traditional sense.