Wakana Maruoka

After accomplishing everything he could as king, the most powerful Demon Lord ever, Varvatos, is now bored. To spice things up a bit, he is reborn in the future as Ard Meteor. Not without first recalibrating his powers to be perfectly average. But there’s no way he could have predicted that everyone in the modern world would be weak as hell, making him totally overpowering once again!

At just seventeen, Yuki is a professional death game player. She's survived enough rounds to know that survival is calculation, not luck-and that failure is final. For most players, the games are a nightmare with no escape. For Yuki, they're simply business. Yet in a world where rooms turn into graves and every choice could be her last, even experience offers no protection.