"With a Dog AND a Cat, Every Day is Fun" is a slice-of-life anime that centers on the daily interactions between a pet owner and their two pets: a mischievous cat named Haru and a loyal, good-natured dog named Pochi. The narrative unfolds through short, episodic vignettes that highlight the contrasting personalities and behaviors of the two animals, as well as their impact on the owner’s life. Haru, the cat, is portrayed as aloof, curious, and often causing minor chaos, while Pochi, the dog, is affectionate, obedient, and eager to please. The owner, whose perspective is often used to narrate the series, provides a grounded and humorous viewpoint on the antics of their pets.

The series does not follow a traditional plot structure but instead focuses on the small, relatable moments of living with pets. Each episode captures the quirks of Haru and Pochi, from Haru’s disdain for baths and love of high places to Pochi’s enthusiasm for walks and tendency to overreact to minor disturbances. The owner’s reactions to these behaviors range from exasperation to amusement, creating a lighthearted and endearing dynamic. The anime also subtly explores the differences between cats and dogs, emphasizing their unique traits and how they coexist under one roof.

The simplicity of the narrative is its strength, as it appeals to pet owners and animal lovers by accurately depicting the joys and challenges of living with pets. The humor is gentle and situational, often derived from the pets’ contrasting personalities and the owner’s attempts to manage their antics. The series avoids dramatic conflict, instead focusing on the warmth and humor of everyday life with Haru and Pochi. Through its episodic format, "With a Dog AND a Cat, Every Day is Fun" offers a charming and relatable portrayal of the bond between humans and their pets.