Heilang

The Shinsengumi, a group of bloodthirsty wolves, now howls in China! At the beginning of the 20th century, Sanosuke Harada, a former member of the Shinsengumi, re-appears in Manchuria, northeastern China, where there is still a great deal of unrest. Caught up in a battle between bandits, Sanosuke attracts the attention of one of the most vicious men in China, Zhang Zuolin. In an era where strength is determined by the gun, his weapons of choice are spear and sword. The start of dynamic historical drama about a man who keeps on fighting!

(Source: Comic Days, translated)