This is a fanfiction that uses anthropomorphic animals as the characters. If you're not into that, then I suggest you stop reading the description. Or if you're interested, then by all means, keep reading.
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The year is 2012, three years ago the Empire City event rocked the world, activating a gene which laid dormant in many people throughout the world. With this came the term "Conduit," naming any person who exempted superhuman abilities. The most widely known conduit is Cole MacGrath, a man who eliminated the criminal threats in Empire City.
His tail is permanently etched into the annals of legend as he ventures to New Marais, helping the city back to civility by eliminating the fascist militia, the mutants running through the streets at night, and the cryopathic forced conduits.
His solution, use Dr. Wolfe's RFI, Ray Field Inhibitor, to kill off the conduits... While sacrificing himself.
But... Not every conduit died... And with no one with such a reputation as Cole to advocate for the conduits... Well, a genocide was in order.
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!]