Children's Time is a manga that continues the story of Yuuta and Mayumi. It is the third installment in a series of interconnected stories, following "Mainichi Seiten" and "Kodomo wa Tomaranai," and preceding "Kodomo no Iibun," "Isoganaide," and "Hanaya no Nikai de." While not direct sequels, these works are presented in the order of their creation and publication, building upon the narrative of the central couple.