"No one knows who I am, I'm the shadow in the mirror, the feeling you get when you think someone is watching you, I'm more important and more powerful then your very own god. And I thought that no one ever would know who i am... But that was before I got bored, before I wanted to change the rules and mix it up a little, before I actually met the people I had watched from a distance for longer then most creatures believed time could even stretch out that long. But I know how long time can really be, and how harsh it is to truly, utterly, amazingly, horrifyingly be, eternal." "And right about now you are probably wondering, "well?!? are you going to tell us who you are?!?" But that's the easy way out. I want you hanging on the edge of your seat, I want you biting your nails until I tell you more... But most of all I want to tell some one, anyone, everyone, the true story, of how I died."
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!]