"Kōtarō Lives Alone" is a Japanese manga and anime series that follows the life of a young boy named Kōtarō Satō, who lives by himself in a small apartment. Despite his age, he manages daily tasks and navigates the challenges of living alone, showcasing his resilience and independence. The story explores themes of loneliness, friendship, and personal growth as Kōtarō interacts with his quirky neighbors, including Ms. Kawai and Shin, who become important figures in his life. Their relationships help him learn valuable life lessons while providing heartwarming moments throughout the series.