Natsuko is a woman in her thirties who develops a significant intergenerational friendship with high school student Youtarou Misaki, alongside Arashi Mutou. As a friend of Arashi, the owner of Kurage no Shokudou, she becomes involved in the central drama concerning Youtarou's false amnesia and the characters' shared experiences of loss. Her interactions with Arashi and Youtarou aid in exploring their emotional struggles. The narrative positions her within the social environment of the restaurant, which serves as a temporary refuge for Youtarou.