"Ple Ple Pleiades - Clementine Tōbō-hen" is a short anime series that serves as a comedic spin-off of the "Ple Ple Pleiades" shorts, which are themselves promotional tie-ins for the "Fate/Grand Order" mobile game. The series is set in a whimsical, alternate universe where the characters from "Fate/Grand Order" are reimagined in a lighthearted, slapstick context. The narrative centers around Clementine, a mischievous and hyperactive version of the character Jeanne d'Arc Alter, who is depicted as a young girl with a penchant for causing chaos.

The story begins with Clementine escaping from her confinement in the Pleiades Watchtower, a facility designed to keep her antics in check. Her escape sets off a chain of events that disrupts the lives of the other characters, including Mash Kyrielight, Romani Archaman, and Da Vinci, who are tasked with recapturing her. The series unfolds as a series of comedic vignettes, with Clementine wreaking havoc across various locations, from bustling city streets to serene countryside settings. Her unpredictable behavior and relentless energy create a series of escalating challenges for the other characters, who must employ increasingly creative and absurd methods to bring her under control.

Throughout the series, the interactions between Clementine and the other characters are marked by exaggerated physical comedy and playful banter. Mash, often portrayed as the straight-laced and responsible counterpart, frequently finds herself at odds with Clementine's antics, while Romani and Da Vinci provide additional comedic relief through their exasperated reactions and failed attempts to outsmart her. The narrative does not follow a traditional plot structure but instead relies on episodic humor, with each segment building on the absurdity of the previous one.

The series maintains a lighthearted tone, with no overarching stakes or serious consequences, allowing the focus to remain on the comedic interplay between the characters. Clementine's boundless energy and mischievous nature drive the narrative forward, ensuring that each episode is filled with fast-paced, chaotic humor. The anime effectively captures the essence of the "Ple Ple Pleiades" shorts, offering fans of "Fate/Grand Order" a humorous and exaggerated take on the characters they are familiar with.