Henri Régent is one of Murata's past lives. He was a doctor from France. In the novel Ojousama to wa Kari no Sugata!, He and April Graves took the forbidden box that was on Earth (Mirror's Depth) and sunk the box to the bottom on a lake to hide it but Henri was paranoid and went back and got it to hide it somewhere safe where no one else but but him would be able to find it but the boat he was on ended up being attacked and so he and the box sunk to the bottom of the Pacific Ocean.