In Ancient Edo, I Became a Swordsman by Killing People?

Wake up. Lu Chen found himself reborn as a dojo apprentice named Kurihara Ryusuke in the Edo period of the parallel world! Moreover, kendo is prosperous in this world, with Yagyu Shinin-ryu, Beichen Itto-ryu, Shinto Jienen-ryu, Futen-ichi-ryu, and hundreds of other schools! He has awakened the swordsman system. Just kill people to become stronger! So he started as an apprentice in the dojo step by step, killing various sword masters along the way, and embarked on the road to become a swordsman! Kurihara Ittousai, a man slaying Ryusuke, the most evil sword, the cunning dragon. His name can even stop a child from crying at night! In the Edo period, he achieved his own legend as a swordsman! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.