Ten years ago, he was a famous demon-slayer, killing countless souls under his sword.
Ten years later, he kept his name anonymous and just wanted to be an ordinary blacksmith for the rest of his life.
Until that day, he watched the girl he saved being torn apart by a demon.
Only then did he realize that there is no room for good people in this world.
"My sword hasn't drunk the blood of a demon for a long time."
When he grasped the rusty knife again, the entire demon world began to tremble...
