"Happy Happy Clover" centers on a young rabbit named Chima, who lives in a peaceful forest with her animal friends. Chima is curious, energetic, and often finds herself in amusing or lighthearted situations. The narrative unfolds through episodic adventures, focusing on the daily lives of the forest inhabitants, their interactions, and the small challenges they face.

Chima’s closest companions include her best friend, Seri, a reserved and thoughtful rabbit, and Toto, a cheerful and slightly mischievous squirrel. Other recurring characters include the wise elder rabbit, Grandpa, who often provides guidance, and various other animals like birds, frogs, and mice, each contributing to the forest’s vibrant community. The stories emphasize themes of friendship, cooperation, and the joys of everyday life, often resolving conflicts or misunderstandings through teamwork and kindness.

The plotlines are simple and heartwarming, often involving seasonal activities, such as preparing for winter, celebrating festivals, or exploring new parts of the forest. Chima’s curiosity frequently leads her into minor predicaments, but her optimism and the support of her friends help her navigate these situations. The tone remains gentle and uplifting throughout, with a focus on the innocence and wonder of childhood. The series avoids heavy drama or complex conflicts, instead offering a comforting and wholesome portrayal of life in the forest.