Cataclysm: The Unreliable Presence in the Night

My name is Xi Jin, a human surviving in the post-apocalyptic wasteland. Night demons are the masters of darkness, invulnerable to weapons and bloodthirsty. Every day I hide in the ruins, falling asleep to the sounds of my kind being torn apart, living like a rat. Until that night, a female night demon who could take human form discovered my hiding place. She tore out my heart. Chewed it up, piece by piece, right in front of me. I thought that was the end. But as I closed my eyes, an ancient bell tolled in the chaos. [Divine Gift - Rewind] When I opened my eyes again, I was sitting in a military jeep the day before the cataclysm. The sun was shining outside, and a comrade handed me a cigarette. In my hand, I held the world's final secret. It seems I've fallen into an infinite dungeon...