The Sword Falls Forever

God closes a window, bang! Not only did I take out the window, I also had to put a door in! The inner monologue from a kendo master! The protagonist discovers that his life experience is mysterious, and his relatives and friends have also been poisoned because of him. At this moment, he can only rely on the sword in his hand! There are countless ways of swordsmanship, but I am the only one who masters them. The avenues are infinite, but the way of swordsmanship is the only one that I can master! This is a revenge story. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.