The Summoned Girl: Zero's Beginning

The first zero brought the beginning of civilization, the seed of fire.

But she died in the flames.

This is the first story.

P.S. The worldbuilding follows the long-form novel Summoning Another World. This story takes place thousands of years earlier and features some characters from that work, but it can be read on its own.

Couple: Yu x Weixia

Theme: Love