Traveling merchants have been attacked by vicious robbers. Wasabi, Namida, and Tsubaki of Team 15 are sent to the site of the incident to investigate. Tsubaki finds a clue that seems to point to samurai from her homeland, the Land of Iron. Furthermore, the clue belongs to a certain person that makes Tsubaki tremble in fear. That person is someone that she respected long ago, a fellow apprentice with whom she trained and honed her swordsmanship with—someone with whom Tsubaki shares a certain fate!
When I was pursued by the Land of Iron,
،عندما كنتُ ملاحقًا من قبل أرض الحديد
Als ich aus dem Eisenreich
vertrieben wurde,
Después de que me echaran,
Después de que me echaran,
Dopo che il Paese del Ferro 
iniziò a darmi la caccia,
Quando eu fui perseguido
pelo País do Ferro,
Когда я сбежал из Страны железа…