What Righteous Great Hero?

That day, I, the ultimate villain, was surrounded and attacked by my own younger sister, my childhood sweetheart, my senior sister, my master, my ex-girlfriend, my ex-ex-girlfriend, and even a demon girl I'd forced to turn over a new leaf. In the end, they hacked me to death with a storm of swords.

But after defeating me, they peered into my memories, only to discover that my story was just a tiny bit different from what they knew.