God's Pact: Domain Bearer

In a narrow alley late at night, neon light spilled across puddles slick with oil. The air conditioners hummed, making people drowsy. Clouds shrouded the moon, making it hard to see the way ahead.

Suddenly, a crimson shadow flashed past, racing silently through the alley. At last, it darted into an empty room, where its light gradually faded. Only then did it become clear that the figure slipping through the darkness was a child, still barely past infancy...

The child was around eleven or twelve. Hidden in a corner by the wall, they leaned there, panting. They raised a hand and stared at the object in their palm, which was giving off a faint blue glow, lost in thought...