Trapped in a Horror Game, I Have No Choice but to Keep a Guilty Conscience

There’s something on my retina. It lets me see things other people can’t. I joined the horror missions to escape that damn engagement. I thought it would be easy, but I was wrong. The dangers of the horror world were far beyond anything I’d imagined. Later, I returned to the High Wall World. But somewhere along the way, I acquired a title I never would have expected. They called me... Her Highness of the Ghosts.

After that, a scripture began circulating in the horror world. It went like this:

“Mio Xu, when I first met you, you were such a pure-hearted girl. How did you end up like this?”

“Darling, did you ever study the cosine rule?”

“I did, back when I was human. Why?”

“There’s a really interesting equation in it: cos (0) = 1.”

“...”