Nana Kawakami, a classmate of the protagonist featured in a single-episode special, battles financial hardship while confronting an imminent move scheduled after Valentine's Day. Her story arc centers on the emotional difficulty stemming from her family's situation and this impending relocation.

During this challenging period, she finds solace in motivational speeches from the main character, who urges her to meet her circumstances with courage. Inspired by this support, Nana leaves her scarf behind as a heartfelt token of appreciation before her departure. Her narrative concludes definitively as she moves away, ending her involvement in the story.