"My Life as Inukai-san's Dog" centers on a high school boy who undergoes a bizarre transformation into a dog after a mysterious encounter. The protagonist, now inhabiting the body of a small white dog, finds himself adopted by Inukai-san, a popular and kind-hearted classmate. Despite his new form, he retains his human consciousness, leading to a series of awkward and comedic situations as he navigates life from a canine perspective.

Inukai-san, unaware of the dog’s true identity, treats him with affection and care, often bringing him to school and involving him in her daily life. The protagonist struggles to adapt to his new reality, balancing his desire to return to his human form with the peculiarities of his current existence. His interactions with Inukai-san and other classmates reveal layers of humor and occasional tension, as he attempts to communicate and maintain his dignity despite his circumstances.

The narrative explores themes of identity, relationships, and the boundaries between human and animal behavior. The protagonist’s internal monologue provides insight into his frustrations and occasional moments of acceptance, while Inukai-san’s genuine affection for her pet adds emotional depth to the story. Supporting characters, including other students and animals, contribute to the comedic and sometimes surreal tone of the series.

The plot progresses through episodic scenarios, blending slice-of-life elements with supernatural undertones. The protagonist’s attempts to uncover the cause of his transformation and seek a solution drive the overarching storyline, while his growing bond with Inukai-san adds a layer of emotional complexity. The series balances humor with moments of introspection, creating a unique narrative that explores the absurdity of its premise while maintaining a grounded focus on character dynamics.