During the Taisho Era, Yoshimura Sayaka was an impressive figure known for her drive and competence. Her female classmates held her in high esteem, particularly because of her position as the top student, indicated by the crimson ribbon she wore. Narutaki Shinobu, the family's chauffeur, was her steadfast companion. Rumors swirled among female students, suggesting a possible romantic relationship between the two. Also, this book features "Ruka and the Thief" as part of its narrative.