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Eiri, a young girl, receives a Labrador Retriever puppy named Kenken as a gift for advancing to the next grade. Despite expectations of loyalty, Kenken displays a cheeky attitude and refuses to acknowledge Eiri as his master. After a freak electrical accident, Kenken gains the ability to speak human language, leading to humorous and chaotic interactions. Eiri navigates daily life with Kenken’s sassy commentary, facing challenges like a visit to the vet where Kenken stirs trouble with other dogs. Set in a lively suburban neighborhood, their unconventional bond unfolds through playful antics and growing mutual understanding. (Unreviewed summary by Grok 3)