The Infinite Journey of the Moon-Shaped Heroine

I thought I was dead... But it seems not. I opened my eyes and the world was blood red. The world in front of him was as scarlet as blood, but its viscosity was only slightly greater than water. Looking upward, he could see the blurry shadow of the sun through the blood-colored ripples, and all around were buildings that were either complete or incomplete, erected or tilted, like underwater coral reefs. The breath he was holding in his chest could finally be held no longer. I opened my mouth, bubbles surged upward, and liquid that looked like blood poured into my mouth - (Comprehensive comic book) (Protagonist Ophelia Famsolone, from FGO2.2 Age of Ice and Fire, original, not replaced by a three-dimensional traveler)