Otona no Zukan Kaiteiban

An author of adult-oriented manga, Kudou, is left with the responsibility of caring for his deceased friend Haruki's young daughter, Kiki, after Haruki's passing and a note requesting Kudou raise her. Despite the unusual circumstances, Kudou decides to build a real family for the girl. When he encounters a woman who resembles his late friend, he impulsively proposes marriage. The story explores how bonds formed through blood, friendship, love, or unexpected events can define what a family is.