وصف: The protagonist has been absent from this world for a thousand years. He is immortal thanks to the virgin blood he took from many girls. He died several times, but always came back to life. During the time that he was absent from this world, everything changed only for the worse. Everyone forgot him, and civilization was destroyed. The most terrible things are happening around. Find the culprits and make them pay for everything they've done. Only you can help sort out all the troubles.