The film "Kaettekitazoyo! Kotaro wa Hitori Gurashi" introduces Kotaro Sato, an elementary school student navigating life alone with the support of neighbors like manga writer Shin Karino and Mizuki Akitomo. Having just started school, Kotaro is fiercely determined to learn crucial skills, constantly aware that his current donations could suddenly stop. His ultimate ambition is to become entirely self-sufficient and secure a job to support himself. Noticing this remarkable drive, Shin Karino asks Kotaro for assistance with his pressing manga work. Kotaro willingly helps Shin Karino to meet his deadline, showcasing his earnest desire to contribute. However, an unfortunate turn of events sees Kotaro accidentally mess up Shin Karino's manuscript, creating an unexpected challenge on his journey towards independence.
Other names: 帰ってきたぞよ！コタローは1人暮らし, I'm Back! Kotaro Lives Alone, I'm Back! Kotaro Lives by Himself, Kaettekitazoyo! Kotaro wa 1ri Kurashi, Kotaro Lives Alone Season 2