Transported to 1860 Japan, during the turbulent final years of the Edo Shogunate—also known as the Bakumatsu era. The foreign powers, having completed their industrial revolutions, forced open Japan’s borders with their steam-powered warships, bringing both chaos and opportunity to the nation.“Live by the sword, die by the sword”—those were the samurai who risked everything to defend the old era.Then there were the reformists, shouting slogans like “Expel the barbarians” and “Open the country,” determined to build a new age.And the assassins, who struck down countless people under the name of “Heaven’s Retribution,” sending chills down the spines of many…Everyone raised their blades for what they believed to be justice.In this era of upheaval, Tachibana Aoto, who reincarnated into Edo (modern-day Tokyo) as an ordinary police officer, was granted a “Talent Copy System.” As long as he duels someone—win or lose—he can copy one of their innate talents.For example—after a match with a beautiful young boy named Okita Souji, Aoto copied the talent of [Swordsmanship Aptitude Amplified 50x Over the Average Person] .This is the legend of a humble cop, who—caught in the tides of fate—gathered a fearsome band of swordmasters and formed a swordsman group that would make the entire country tremble.“They say all swordsmen should be grateful—because in an age where guns have replaced blades, it was ‘Nioh’ Tachibana Aoto leading the Shinsengumi who let the sword shine one last time.”—So say the historians.