Ashita no Ojou: Yukari no Chi wo Aruku

A manga series turns 55 years since its debut, marking a significant moment in Japanese manga history. Hina's father, upset by her lack of concern about her future after high school, vanishes, leaving behind all the volumes of the series. Hina, touched by the nostalgic appearance of the books, begins to cry. A friend of her father, named Kenkichi, suggests that the answer to his disappearance is connected to locations linked to the original story. Hina resolves to visit these significant sites.