Little, Brown Book Group So I'm a Spider, So What?, Vol. 15 (light novel)

After one final battle against the elves, the Demon Army emerges victorious! With Potimas defeated, the next task is to save goddess Sariel from the System, but administrator D keeps getting in the way!!! For her own amusement, she activates World Quest and pulls absolutely everyone into the game.Now what are we gonna do?!