Katanagatari T1 E6 – Hammer, the Dual-Edge
Shichika and Togame find themselves in the harsh Ezo region in search of the enigmatic Itezora clan. Unfortunately they soon discover that the Itezora's village has been destroyed and the only survivor is an incredibly lonely and immensely powerful 11 year old girl who now possesses the Kanazuchi sword they are seeking. Things then take a dangerous turn when Kyouken Maniwa arrives to claim the Kanazuchi sword and get revenge for her fallen comrades' forcing an already injured Shichika to engage in his most dangerous battle yet.
Katanagatari
En la era Edo, donde Yasuri Shichika es la séptima cabeza de la escuela de las artes marciales de la espada japonesa, Kyotou, que vive en isla Fushou con su hermana Nanami. Con la orden de la directora general Togame, ellos emprenden un viaje para recoger las doce atesoradas espadas creadas por un legendario forjador de espadas llamado Shikizaki Kiki.