"My Life as Inukai-san's Dog" centers around a high school boy who mysteriously transforms into a dog, specifically a small, fluffy white dog. The boy, whose human identity is initially unnamed, finds himself adopted by Inukai-san, a popular and attractive classmate. Inukai-san is unaware that the dog is actually her classmate, and she treats him with affection and care, often engaging in playful and intimate interactions that blur the lines between pet and companion. The boy, now living as a dog, navigates the complexities of his new life, observing Inukai-san’s daily routines and relationships from a unique perspective.

The narrative explores the boy’s internal conflict as he grapples with his altered state, balancing his human consciousness with his canine instincts. Despite his predicament, he begins to develop a deeper understanding of Inukai-san’s personality and vulnerabilities, which she rarely reveals to others. The story also introduces other characters, including classmates and friends, who interact with Inukai-san and the dog, adding layers to the dynamics of their relationships. Themes of identity, loyalty, and the boundaries between human and animal behavior are woven into the plot, creating a blend of humor, awkwardness, and occasional introspection.

The series maintains a lighthearted tone, often leaning into comedic and surreal situations arising from the boy’s transformation. However, it occasionally delves into more serious moments, particularly when exploring Inukai-san’s character and her interactions with the dog. The boy’s dual perspective as both a human and a dog serves as a narrative device to highlight the nuances of human behavior and relationships, offering a unique lens through which to view the story. The anime balances its fantastical premise with relatable emotional undertones, making it a distinctive entry in the genre.