"Pani Poni" is a comedic manga series that revolves around the daily lives of students and faculty at an all-girls high school. The story centers on Rebecca Miyamoto, a child prodigy who becomes a teacher at the age of 11. Despite her young age, Rebecca, often called Becky, is highly intelligent and holds a Ph.D., but her maturity level often contrasts sharply with her appearance and youthful demeanor. Her unconventional teaching methods and eccentric personality frequently lead to chaotic and humorous situations in the classroom.

The series features a diverse cast of characters, each contributing to the comedic and often absurd tone of the narrative. Among Becky's students are Himeko Katagiri, a serious and responsible class representative who often finds herself exasperated by Becky's antics; Ichijo, a quiet and mysterious girl with a penchant for carrying around a stuffed rabbit; and Rei Tachibana, a delinquent with a tough exterior but a kind heart. The interactions between these characters and Becky form the core of the series, with their relationships evolving through various comedic and occasionally heartfelt moments.

The plot is episodic, with each chapter or episode presenting a self-contained story that explores the quirks and dynamics of the characters. Themes of friendship, individuality, and the challenges of adolescence are woven into the humor, often through exaggerated and surreal scenarios. The series also incorporates elements of parody, frequently referencing and satirizing popular culture, including anime, manga, and video games.

In addition to the main cast, the school's faculty and staff play significant roles in the story. The principal, who is often seen wearing a bear costume, and the school nurse, who has a penchant for dramatic entrances, add to the series' comedic tone. The narrative thrives on its fast-paced, slapstick humor and the juxtaposition of Becky's childlike appearance with her intellectual prowess, creating a unique and entertaining dynamic.

"Pani Poni" balances its comedic elements with moments of character development, allowing the audience to connect with the characters on a deeper level. The series' blend of humor, parody, and heartwarming moments makes it a distinctive entry in the school-life comedy genre, appealing to fans of both lighthearted and character-driven stories.