400cc:
By 1874, seven years have passed since the end of the samurai era. A former samurai, Shizuma Orikasa works as a rickshaw driver in Tokyo while looking for his fiancée, Sumie Kanomata, who went missing during the Boshin War. Shizuma thwarts an assassination attempt and joins the newly established police department, where he’ll fight to stop dark forces from overthrowing the government.

255cc:
Seven years have passed since the end of the samurai era. A former samurai named Shizuma Orikasa searches for his fiancée. He thwarts an assassination and joins the new police department. Now, he’ll fight to stop a plot to overthrow the government.

110cc:
Seven years after the end of the samurai, Shizuma Orikasa joins the police department to uncover dark plots.

[Source: Crunchyroll]