"Itazura Tenshi Chippo-chan" is a short-form anime series that centers around Chippo, a mischievous cherub-like angel who descends to Earth from Heaven. Chippo is tasked with observing human behavior and learning about their world, but her playful and often chaotic nature leads to a series of humorous and lighthearted situations. Despite her angelic origins, Chippo frequently causes trouble for those around her, particularly for her human companion, a young man named Hiroshi. Hiroshi, an ordinary and somewhat hapless individual, becomes the primary target of Chippo's pranks and antics, which range from harmless jokes to more elaborate schemes that disrupt his daily life.

The series is episodic in nature, with each short episode focusing on Chippo's interactions with Hiroshi and other characters, including her fellow angels and various humans she encounters. Chippo's curiosity about human emotions and experiences often drives the plot, as she attempts to understand concepts like love, friendship, and happiness through her own unique and often misguided perspective. Her actions frequently result in comedic misunderstandings, but they also occasionally lead to moments of genuine warmth and connection.

The dynamic between Chippo and Hiroshi forms the core of the series, with Hiroshi serving as the straight man to Chippo's unpredictable behavior. Despite the chaos she brings, there is an underlying sense of camaraderie and affection between the two, as Hiroshi gradually becomes more tolerant of Chippo's antics. The series maintains a light and whimsical tone throughout, emphasizing humor and charm over deeper narrative complexity. The characters are designed to be endearing, and the simplicity of the storytelling makes it accessible to a wide audience.