"Tenshi no Shippo Chu!" is a comedic fantasy anime that blends slice-of-life elements with supernatural themes. The story centers around Tamami, a young man who unexpectedly encounters a group of angelic beings known as the "Tail Angels." These angels are on a mission to earn their wings by helping humans achieve happiness. Each angel possesses a unique tail that grants them special abilities, and their success in aiding humans determines whether they can ascend to full angelhood.

The narrative unfolds as Tamami becomes entangled with the Tail Angels, particularly focusing on his interactions with Mao, a mischievous and somewhat clumsy angel who struggles to complete her tasks effectively. Mao’s tail allows her to manipulate emotions, but her lack of finesse often leads to humorous and chaotic situations. Alongside Mao, other Tail Angels, such as the serious and disciplined Shia and the cheerful but naive Mil, contribute to the dynamic, each bringing their own quirks and challenges to the group’s mission.

The series explores the daily lives of Tamami and the angels as they navigate various human problems, ranging from romantic dilemmas to personal insecurities. The angels’ attempts to help often result in unintended consequences, creating a blend of lighthearted comedy and heartfelt moments. As the story progresses, the relationships between Tamami and the angels deepen, revealing their individual struggles and growth. The overarching theme revolves around the pursuit of happiness, both for the humans the angels assist and for the angels themselves as they strive to earn their wings.

The anime’s episodic structure allows for a variety of scenarios, each highlighting different aspects of human emotions and relationships. Through its mix of humor, fantasy, and emotional depth, "Tenshi no Shippo Chu!" presents a whimsical yet relatable exploration of the challenges and joys of life, all while maintaining a focus on the angels’ journey toward their ultimate goal.