The Meiji government was established more than 20 years ago. Although a new era has arrived, it seems to be far from the ideal country in people's hearts, especially in the hearts of the Meiji Restorationists. The country is still in the turmoil of the great era, and the shadow of war still looms over Japan. The romantic swordsmen of the past have now settled down: Yahiko has grown into an upright and kind swordsman; Sanosuke has also lost his youthful recklessness and become vicissitudes; Kenshin's son Kenro also became a disciple of Hiko Seijuro, vowing to become a peerless master, but he is very alienated from his father; Kenshin accepted the government's mission and rushed to the battlefield on the mainland. In order to redeem the sins of the first half of his life, he worked hard. The reverse blade has been sealed since then, leaving only the sick and weak Axun at home waiting. This is no longer a romantic tale about the Meiji swordsman, but a sad poem about the hero's twilight years...