The androgynous deuteragonist of the story and possibly the antagonist as well. Yin Feixing is a normal character within the "game" that Xianyun finds himself in, except that Feixing has memories of his past life, and in it, Feixing was betrayed and brutally stabbed to death by Xianyun. Thus, he holds a great hatred towards Xianyun and seeks revenge on every possible account.