"Teekyū" is a fast-paced, comedic manga series centered around the absurd and chaotic daily lives of a group of high school girls who form a tennis club. The narrative is episodic, with each chapter presenting a self-contained, often surreal scenario that rarely focuses on actual tennis. Instead, the series thrives on rapid-fire humor, exaggerated character interactions, and nonsensical situations that defy conventional storytelling.

The main characters include Kaminari Marimo, the hyperactive and eccentric club captain; Nasuno Takamiya, a wealthy and aloof transfer student; Yuri Oshimoto, a shy and reserved girl who often finds herself dragged into the chaos; and Kanae Shinjou, a stoic and deadpan member who provides a contrast to the group's over-the-top antics. Their personalities clash and complement each other in ways that drive the humor, with Marimo's boundless energy often serving as the catalyst for the group's misadventures.

The plot lacks a traditional overarching narrative, instead relying on a series of disjointed, comedic vignettes. These range from bizarre attempts at practicing tennis to completely unrelated activities, such as discussing obscure topics, engaging in absurd competitions, or breaking the fourth wall. The humor is often meta, with characters acknowledging the absurdity of their situations or making references to pop culture and manga tropes.

Despite the lack of a cohesive storyline, the series maintains a consistent tone of irreverent comedy, with its brevity and rapid pacing contributing to its unique charm. The characters' exaggerated traits and the unpredictable nature of the humor make "Teekyū" a distinctive entry in the slice-of-life and comedy genres, appealing to readers who enjoy unconventional and fast-paced storytelling.