"Helvetica Standard E" is a spin-off manga series derived from the larger "Nichijou" universe, created by Keiichi Arawi. The series retains the absurdist humor and surreal tone characteristic of Arawi's work, presenting a collection of short, self-contained vignettes rather than a continuous narrative. The stories are often disconnected, focusing on bizarre, exaggerated, and comedic situations that defy conventional logic. Characters from "Nichijou" occasionally appear, but the series primarily introduces new, eccentric figures who navigate strange and unpredictable scenarios.

The manga lacks a central plot, instead offering a series of episodic sketches that explore themes of absurdity, randomness, and the mundane turned extraordinary. One recurring element involves characters engaging in nonsensical conversations or actions, such as debating the merits of invisible objects or attempting to perform everyday tasks in increasingly convoluted ways. The humor often arises from the juxtaposition of deadpan delivery with outlandish events, creating a unique comedic rhythm.

Characters in "Helvetica Standard E" are often defined by their quirks rather than deep backstories. For example, a character might be obsessed with a trivial detail, such as the proper way to eat a sandwich, while another might inexplicably possess supernatural abilities without explanation. These traits are played for comedic effect, with the characters' reactions to their bizarre circumstances serving as the primary source of humor.

The art style is consistent with Arawi's signature approach, featuring clean, minimalist linework and expressive character designs. The visual gags are integral to the storytelling, with exaggerated facial expressions and dynamic panel layouts enhancing the comedic timing. Despite its lack of a traditional narrative structure, "Helvetica Standard E" maintains a cohesive tone through its commitment to absurdity and its ability to find humor in the unexpected. The series appeals to fans of surreal comedy and those familiar with Arawi's previous works, offering a fresh yet familiar experience within the "Nichijou" universe.