In the background of a conflict to preserve history from those who seek to alter it, a group of living swords in human form attempt to find peace and happiness in their daily lives.
EPISODE 1
January - Don't get cocky
Yasusada Yamatonokam, the 17th member at the citadel, discovers that he and Kiyomitsu Kashû used to serve the same master, Okita Souji.
EPISODE 2
February - There's nothing I want to say...
Yasusada Yamatonokami and Kiyomitsu Kashû are to take care of two new arrivals at the Citadel. Masakuni Dôdanuki and Kuninaga Tsurumaru have arrived. In addition, three swordsmen are given a mission in Honnôji.
EPISODE 3
March - It's one in ten thousand
Hirano Toushirou has found a four-leaf clover underneath the big tree; he intends to give it to Uguisumaru, but the task is not so easy.
EPISODE 4
April - What is strength?
The cherry tree is in full bloom when Kanesada Izuminokami appears in the citadel; the swords enjoy the cherry blossoms and revel in memories, but problems arise because Jiroutachi is drunk.
EPISODE 5
May - Kindness is strength
The Swords rejoice at the arrival of one of Japan's five great swords; the master makes contact with the group when Munechika Mikazuki appears in the forge room.
EPISODE 6
June - This citadel is joyous, isn't it?
Yasusada Yamatonokami and Kiyomitsu Kashû prepare an expedition of discovery to Edo. Shortly before their departure, the master falls ill. On the way, the group must search for medicinal herbs with which they can treat his fever.
Mitsuhiro Ichiki
Takuya Sato
Tomoaki Maeno
Takashi Naoya
ピエール杉浦
Pierre Sugiura