She is a player with a ghost-like appearance. At first, she repeatedly participated in the games without having a strong motivation, but after Candlewoods, she made beating the games 99 times her reason to keep living. In the game, her survival strategy is to adopt an altruistic playstyle whenever possible. Her alias is "Yuuki" (幽鬼), and her real name is "Yuuki Sorimachi" (反町友樹).