It is the year 2205, a retrograde army has schemed a way to alter history. As a result, the past becomes threatened and protecting history has become a never-ending task.
In order to preserve time, a group of warriors battles against evil throughout time. Now, Yamatonokami Yasusada has come to the citadel, where the ‘Sword Warriors’ live, alongside Kashuu Kiyomitsu –who served the same master- he prepares to go out.
However, as soon as he steps out he receives a snowball in the face, he is surprised to see more warriors outside playing, but as soon as they hit Kashuu Kiyomitsu, everyone starts to run.
They all represent a sword, or katana, with historical ties, now, with human form, they have an important mission, to protect history from those trying to alter time.
Everyone has a personality, and preserve their memories from the past, when they served their masters. In addition, no matter how much they would love to visit them, they must not, in order to preserve the past as it was.
Later that day, they receive a notification from the government; the Retrograde Army is on the move and a group is quickly assembled to stop them.
In addition, surprises come fast, once Yamatonokami Yasusada is selected to be the team captain in his first mission. He feels unease, after all, he will relive one of the fiercest battles he was part of as a sword.
Deep inside, he would love to help his former master face the battle in a different wat, but it is not use, they have to protect history.
Touken Ranbu: Hanamaru (刀剣乱舞-花丸-)
Originally a video game developed by Nitroplus, it has been adapted as an anime series produced by Doga Kobo, directed by Takashi Naoya and written by Pierre Sugiura.
It start airing in Japan on October 3, 2016.
OP: “Hanamaru◎Biyori!” ~ Mitsuhiro Ichiki, Toshiki Masuda
ED: “Ake Kure Nikki” ~ Toshiki Masuda, Mitsuhiro Ichiki; “Kokoro no Arika” ~ Yuuki Tai, Tarusuku Shingaki Seiichirou Yamashita; “Hana no Kaori wa Kyoushidare” ~ Seiichirou Yamashita, Daiki Yamashita, Kazutomi Yamamoto, Ryouta Asari, Yuuta Kasuya, Reona Irie, Yoshitaka Yamaya; “Toki Zotomo Nashi Kenbi no Hana yo” ~ Junya Enoki, Ryouhei Kimura; “Izuru Tsuki, Shouen no Uta” ~ Kousuke Toriumi, Kaito Ishikawa, Souma Saito, Takuya Satou; “Okiraku Chin Douchu” ~ Kento Hama, Jun Oosuka, Tooru Sakurai, Kenji Hamada; “Koi to Joudo no Yaezakura” ~ Atsushi Tamaru, Yuuto Suzuki, Souma Saito, Jun Oosuka, Seiichirou Yamashita, Daiki Yamashita, Kazutomi Yamamoto, Ryouta Asari, Yuuta Kasuya, Reona Irie, Yoshitaka Yamaya; “Nikkari Ayakashi Kazoeuta” ~ Junji Majima; “Akatsuki no Hoshi” ~ Daiki Yamashita, Eiji Miyashita; “Kokorobase Kara Yukari Ari” ~ Ryouta Asari, Seiichirou Yamashita, Yuuichi Iguchi