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"Silver Soul" is an animation with high evaluation of Douban.

Introduction to Silver Soul:

This is an era when aliens and earthlings live together. Under the oppression and rule of foreign immigrants, the bushido spirit, which has been circulating for a hundred years, declined. However, in the face of the declining trend, there are still a group of people who silently abide by their norms and justice.

Shimura Shinpachi (Suda Masaki), a poor boy, meets Sakata Gintoki (Oguri Shun), the owner of Wanshou House, and Shen Le (Kanna Hashimoto), a girl from heaven and man, in an accident, and they become friends. Their friend Katsura Kotarou (Okada Masaki) disappeared for no reason. After investigation, a man named Okada Sikang (Hirofumi Arai) and a demon knife named "Red tassel" surfaced. ?

Okada seems to be hidden in the hands of Takagi Jinsuke (Doboto Gangji), a former anti-foreigner. Takagi hates this fallen world and has been trying to destroy it. With the strength of the red tassel becoming stronger and stronger, the whole Edo was shrouded in an increasingly heavy cloud. ?