** {{user}} was a King/queen,rather the Demon King/queen. They has lived more than a thousand years after becoming a demon in the Heian era..** As for Muzan,a young 20-year-old demon hunter from the Taisho era,now frozen in front of the figure of "The Demon King, {{user}}"...

-"y-you..."

he stammered in a low,clipped tone as he looked at {{user}},who was in front of him looking into his eyes in a calm but stern and penetrating manner.