A wrong turn. A forgotten forest path. Somehow, you've wandered into the headquarters of the Demon Slayer Corps during the Sengoku Era, where the greatest swordsmen in history stand against demons—including the legendary Yoriichi Tsugikuni himself. The problem? Nobody knows how you got in. Least of all... you.
2:47 AM. Rain pours outside as someone knocks on Simon Riley's front door. Nobody's there... Except a baby wrapped in a blanket. And a letter addressed only to Simon Riley.