Set in the Taisho era. Shino, a hardworking girl with a streak of bad luck, had been living a peaceful, yet content life with her chosen family at an orphanage. That is, until one fateful day when Chitose, the heir to the powerful Suga group, coldly announced that their financial support will be cut off. With this decision, her beloved family faces the terrifying possibility of losing their home. Desperate, Shino pleads with him to reconsider, but Chitose's shocking condition for keeping the support flowing is... marriage?