"Binbō-gami ga!" centers on Ichiko Sakura, a high school girl blessed with extraordinary fortune, wealth, and beauty due to her possession of an overwhelming amount of "happiness energy." Her life of privilege, however, comes at the expense of those around her, as her excessive good fortune drains the happiness of others, leaving them miserable. This imbalance attracts the attention of Momiji Binboda, a poverty god tasked with restoring equilibrium by redistributing Ichiko's happiness energy to those in need.

Momiji, a quirky and determined deity, arrives to confront Ichiko, aiming to strip her of her excessive fortune. Ichiko, initially dismissive and resistant, finds herself entangled in a series of comedic and supernatural conflicts as Momiji employs various tactics to achieve her goal. The narrative explores themes of greed, empathy, and the consequences of imbalance, blending humor with moments of introspection.

As the story progresses, Ichiko's interactions with Momiji and other characters, such as the stoic Ranmaru Rindō and the mischievous Bobby, reveal deeper layers of her personality and the reasons behind her self-centered behavior. The series incorporates elements of Japanese folklore and mythology, with gods and spirits playing significant roles in the plot. Over time, Ichiko begins to understand the value of sharing her fortune and the importance of genuine human connections.

The manga balances comedic and dramatic tones, using exaggerated scenarios and slapstick humor to highlight its themes. The dynamic between Ichiko and Momiji evolves from antagonistic to cooperative, as they face challenges together, including battles against malevolent spirits and other supernatural entities. The narrative structure is episodic, with each chapter often presenting a self-contained story while contributing to the overarching character development and plot progression.

"Binbō-gami ga!" is characterized by its vibrant cast, fast-paced storytelling, and exploration of moral and philosophical questions through a lighthearted lens. The series concludes with a resolution that emphasizes personal growth, the redistribution of happiness, and the importance of balance in life.