"Daily Lives of High School Boys" is a slice-of-life comedy anime that centers on the humorous and often absurd experiences of a group of male high school students. The narrative is episodic, focusing on the daily antics and misadventures of the main trio: Tadakuni, Hidenori, and Yoshitake. These characters attend Sanada North High School, and their interactions with each other, their classmates, and the world around them form the core of the series.

Tadakuni is portrayed as the most grounded and relatable member of the group, often serving as the straight man to his friends' eccentric behavior. Hidenori is the most imaginative and mischievous, frequently coming up with bizarre scenarios or games that drive much of the comedy. Yoshitake, the most carefree and impulsive of the three, often goes along with Hidenori's schemes, adding to the chaotic energy of their group dynamic.

The series explores a wide range of everyday situations, from mundane school activities to imaginative role-playing games and awkward social encounters. The humor arises from the exaggerated and often surreal ways the characters interpret and react to these situations. For example, the boys might turn a simple walk home into an epic adventure or transform a casual conversation into a dramatic battle of wits.

Other recurring characters include the Literature Girl, a classmate who frequently misunderstands Tadakuni's intentions, leading to comedic misunderstandings. The Student Council President, who is overly serious and often clashes with the boys, adds another layer of humor through her exaggerated reactions to their antics. The series also features the boys' younger sisters, who provide a contrasting perspective on their behavior and often outsmart them in unexpected ways.

The anime does not follow a continuous plot but instead presents a series of loosely connected vignettes. Each episode is divided into multiple segments, each focusing on a different scenario or set of characters. This structure allows for a variety of comedic situations, ranging from slapstick humor to witty dialogue and satirical takes on high school life.

"Daily Lives of High School Boys" captures the essence of adolescence through its exaggerated yet relatable portrayal of teenage boys navigating school, friendships, and their own imaginations. The series thrives on its ability to find humor in the ordinary, making it a standout in the slice-of-life comedy genre.