The protagonist wanders into the game world, and in another world called God's Domain SAO, as a witness to the whole story, he witnesses the rise and fall of the three major guilds in God's Domain. The full text is based on Nordic mythology and contains extensive quotations. As time goes by between the nine elves and the gods above them, the struggles and hatreds intensify among the guilds, the past and present, and the love entanglements among everyone.
"We feel joy for being together, pain for separation, sweetness for true love, and heartbreak for betrayal. Perhaps it may seem ridiculous and absurd in the endless time and space and the vast world. Human beings are like this. Even if they have been heartbroken and hurt, they still stand up tenaciously, dragging the pain all over their bodies, and continue to work hard, with a vision in mind, and in order to open up their own future, they will use up the light of life until the soul dies..."