Starting from Demon Slayer, Swinging the Sword

I took a small boat, and I was caught in a white blade, and the world was stained with blood. Demon Slayer: Fighting with Demons Sekiro's Journey, Killing the Sakura Dragon with the Sword God Killer, Gensokyo, One Piece, Naruto... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.