"Gokicha!!" is a comedic slice-of-life manga centered around Gokicha, a cockroach who moves to the human world with the goal of improving the negative reputation of her species. Unlike typical cockroaches, Gokicha is kind-hearted, polite, and determined to coexist peacefully with humans. However, her efforts are often met with fear, disgust, or violence due to the deep-seated aversion humans have toward cockroaches. Despite these challenges, Gokicha remains optimistic and persistent, striving to prove that not all cockroaches are pests.

The narrative unfolds through a series of episodic encounters, showcasing Gokicha’s interactions with humans and other insects. She forms unlikely friendships, such as with a compassionate girl named Chaba, who is one of the few humans willing to look past Gokicha’s appearance. Other characters include fellow cockroaches and insects, each with their own quirks and perspectives on survival in the human world. The story balances humor with moments of poignancy, highlighting Gokicha’s struggles and small victories as she navigates a world that often misunderstands her.

Themes of prejudice, perseverance, and the search for acceptance are woven throughout the series. Gokicha’s journey is marked by her unwavering determination to change perceptions, even as she faces constant rejection. The manga uses its premise to explore broader ideas about coexistence and empathy, often through lighthearted and absurd situations. While the tone is predominantly comedic, it occasionally delves into more serious reflections on the challenges of being an outsider in a world that fears what it does not understand.