-This book is based\is a fanfiction of the mission The Four Queens - Chapter 2 on Smallworlds. You do not need to know what Smallworlds is, or have played the mission to understand this book-
Dr. Loyd Alistair is a brilliant, young scientist. But one day, he wakes up to find out that his Loyd plant has withered overnight. He finds it strange, as he remembered watering it the night before.
After some tests, he finds out that there is some strange venom in the town's water, and it's affecting everyone who drinks the water, making their skin fade to a gray colour, also causing you to lose all your memory, even of the ones you love and care for.
Dr. Alistair and his friend, Dr. Henderson, both try to figure out what happened to the water, and what is causing it. Will they succeed, or will they fail, and become mindless zombies like all the others?
Transmigrated into DxD World-Kuoh Town, Hibari Kyoya. an average student, spent 18 agonizing years in the world fully aware of the dangers, knowing he is utterly powerless in a world of gods and monsters, Until...
[Ding! Sign-In System loading... 20%... 50%... 80%... 100%.]
Destiny, it seems.. has a cruel sense of humor. A [Sign-In System], long overdue, finally bursts to life within him, offering a chance at survival, a chance at power...
[Ding! Congratulations! You have received the Rainbow-Grade Gift Bag!]
...
He then started completing System's tasks, accumulating even greater rewards.
[Ding! Task completed. Reward: Perfect Rumble-Rumble Fruit (Weakness to water Removed).]
[Ding! Task completed. Congratulations to the host for obtaining the Flying Thunder God Technique!]