"Di Gi Charat Nyo" is a comedic anime series that serves as a spin-off of the original "Di Gi Charat" franchise. The story revolves around Dejiko, a cat-eared alien girl from the planet Di Gi Charat, who arrives on Earth with her companions, Puchiko and Gema, to pursue her dream of becoming a famous idol. The trio takes up residence in a small anime and manga shop called Gamers, where they work part-time while navigating their daily lives and misadventures.

Dejiko, the protagonist, is energetic, ambitious, and often overconfident, though her plans frequently backfire due to her naivety and impulsive nature. Puchiko, her younger companion, is quiet and reserved, often providing a stark contrast to Dejiko's exuberance. Gema, a small robotic creature, serves as a comedic foil, often getting caught up in the chaos caused by Dejiko's antics. The series also introduces new characters, such as Rabi~en~Rose, a rival idol who frequently clashes with Dejiko, and characters from the Gamers shop, including the shop manager and other employees.

The episodic structure of the series focuses on slice-of-life scenarios, blending humor, absurdity, and lighthearted moments. Dejiko's attempts to achieve fame as an idol often lead to comedic misunderstandings, exaggerated situations, and playful rivalries. The narrative does not follow a continuous plot but instead presents self-contained stories that highlight the quirky dynamics between the characters. Themes of friendship, perseverance, and the pursuit of dreams are woven into the comedic framework, though the series primarily prioritizes humor and entertainment over deep storytelling.

The tone of "Di Gi Charat Nyo" is whimsical and light, with a focus on visual gags, slapstick comedy, and exaggerated character interactions. The series maintains a playful atmosphere, appealing to fans of the original franchise while introducing new viewers to its unique charm. The characters' distinct personalities and their interactions drive the narrative, creating a series that is both accessible and entertaining for a wide audience.