大正7年、東京。帝国陸軍軍人・花村少佐の娘・紅緒は、ハイカラで好奇心旺盛、礼儀作法よりも剣術に熱中する17歳。そんな紅緒の将来を心配した父は、勝手に彼女の婚約者を決めてしまう。紅緒は怒り心頭だが、婚約者・伊集院忍は予想外の好青年で…?
Benio Hanamura lost her mother when she was very young and has been raised by her father, a high-ranking official in the Japanese army.