I Become a Swordsman in Ancient Japan

Synopsis: Transmigrated to ancient Japan in 1789, during the long peace of the Edo period. Starting with only the identity of a low-ranking samurai, a sword, and a strange system that allows him to level up his own skills and swordsmanship by defeating or killing enemies. ... “When facing a strong enemy, what will I do? I will draw my second sword, and switch to my specialty swordsmanship – Nito-ryu (Two-Sword Style).” “What if I still can't win?” “Then I will pull out my revolver and shoot the enemy in the head.” Ogata Itsuse – the 'Great Swordsman', who possesses titles such as 'Human Slaying Itsuse' and 'Executioner Ichitosai' – answered like this. ******* The author is an old author, has a war novel of nearly 4 million words that is about to be completed, has never stopped writing, with a guaranteed reputation, please feel free to provide various tickets and collect ~~