Anime Crossover: Ink Stains

You can see bright red blood.

You can see pure white snow.

You can see dazzling golden sunlight.

You can see a rosy sunset...

Zhi can't see.

Zhi's world is gray, and even her memories are gray.

"I think I've forgotten someone important."

"Someone very, very, very important."

How could she forget someone so important, something so important?