Based on the manga "Penguin Box," the web anime series "Odekake Kozame" expands its universe with a theatrical adaptation, showcasing the adventures of Kozame-chan as she ventures beyond the nostalgic town of Hachiomachi into the bustling cityscape. The story begins with Kozame-chan encountering a young girl named Sora at the station in Hachiomachi. Sora, saddened by her impending move to a city high school, fears loneliness and struggles to find hope in her new environment. Kozame-chan comforts her by sharing an urban magazine filled with vibrant city life, encouraging Sora to believe in the possibility of forming new friendships. After parting ways, Kozame-chan becomes captivated by a sparkling city poster, and her curiosity deepens as a shark-shaped cloud passes overhead, seemingly guiding her. Inspired by the mysterious cloud, Kozame-chan boards a train bound for the city, setting the stage for an extraordinary journey filled with wonder and discovery. This cinematic adaptation combines heartfelt storytelling with imaginative visuals, offering audiences a delightful exploration of friendship and adventure in an urban setting.