"Yotsuiro Biyori" is a slice-of-life anime centered around the daily operations and interactions at a traditional Japanese tea house called Rokuhōdō. The tea house is run by four distinct men, each with unique personalities and skills, who come together to create a warm and welcoming atmosphere for their customers. The narrative unfolds through their interactions with each other and the diverse clientele who visit Rokuhōdō, each bringing their own stories and challenges.

The main characters include Sui, the calm and collected owner of the tea house who has a deep appreciation for traditional Japanese culture. He is often seen preparing tea with meticulous care. Tsubaki, the cheerful and sociable waiter, excels at making customers feel at ease with his friendly demeanor. Gure, the reserved and skilled chef, crafts exquisite dishes that complement the tea experience. Lastly, Tokitaka, the youngest member, is a former delinquent who brings a fresh perspective and energy to the team, often learning valuable life lessons through his work at the tea house.

The series is episodic, with each episode focusing on different customers and their personal stories, which are subtly interwoven with the lives of the four main characters. Themes of friendship, personal growth, and the importance of community are explored as the characters navigate their daily lives and the challenges that come their way. The tea house serves as a backdrop for these stories, symbolizing a place of solace and connection where people from all walks of life can find comfort and understanding.

Through its gentle pacing and focus on character-driven narratives, "Yotsuiro Biyori" offers a reflective look at the small yet meaningful moments that define human relationships. The series emphasizes the beauty of everyday life and the impact of kindness and empathy, making it a heartwarming and contemplative viewing experience.