Kumo desuga, Nanika? 15 [w/ Art Booklet, Light Novel] (Kadokawa Books)

[Machine Translation] The Demon King and his team had eliminated the world's evil entity called Potimus in the battle of Elven Village. All that remained was to save the goddess, and in secret, they were working on a plan to free the goddess Sariel from the system, but... But there's no way that the administrator, D, will leave them alone! WorldQuest is now in effect," was the announcement that was suddenly broadcasted in the brains of all mankind, and I was wanted by the entire world. What was the decision that the human race, caught up in the "plaything" of Administrator D, had to make at that time?

エルフの里の戦いにて、ポティマスという世界の害悪を排除した魔王一行。あとは女神を救うだけと秘密裏に女神サリエルをシステムから解放する計画を進めていたけど...あの管理者Dが放っておくはずがないよね!『ワールドクエスト、発動』突然全人類の脳内に流れたアナウンスで、全世界から指名手配された「私」。管理者Dの“お遊び”に巻き込まれた人類がそのとき迫られた決断とは―!?