"I'm From Japan" centers around a young boy named Kanji Sasahara, who hails from a rural village in Japan. The series explores his experiences and challenges as he navigates life in a bustling urban environment after moving to Tokyo. Kanji’s rural upbringing and traditional values often clash with the fast-paced, modern lifestyle of the city, creating a series of humorous and heartfelt situations.

The narrative delves into Kanji’s interactions with a diverse group of characters, including his classmates, teachers, and neighbors. His earnest and straightforward personality often leads to misunderstandings, but it also endears him to those around him. The series highlights cultural differences and the process of adaptation, as Kanji learns to balance his rural roots with the demands of city life.

Key characters include Kanji’s classmates, who represent various facets of urban life, and his teacher, who serves as a guiding figure. The series also features Kanji’s family, who occasionally visit or communicate with him, providing a connection to his rural background. Through these relationships, the story explores themes of identity, belonging, and the blending of traditional and modern values.

The plot is episodic, with each episode presenting a new challenge or scenario that Kanji must navigate. These range from school events and cultural festivals to everyday encounters that highlight the contrasts between rural and urban life. The series maintains a lighthearted tone, using humor to address the cultural and social adjustments Kanji faces, while also offering moments of reflection and growth.

Overall, "I'm From Japan" provides a comedic yet insightful look at the experiences of a rural boy adapting to urban life, emphasizing the importance of cultural understanding and personal resilience.