Thrust into the DxD universe within Kuoh Town, Hibari Kyoya endured eighteen years as an ordinary student—powerless against a realm teeming with gods and monsters. His helplessness weighed heavy until fate intervened with unexpected fortune. [Ding! Sign-In System initializing… 20%… 50%… 80%… 100%.] The cruel hand of destiny finally delivered what he needed: a [Sign-In System] materializing within his very being. This mysterious power granted him the opportunity to break free from weakness, to ascend beyond his mortal limitations. [Ding! Congratulations! Rainbow-Grade Gift Bag obtained!] By undertaking the System's missions, Hibari Kyoya discovered an endless well of advancement. Each completed task unlocked formidable rewards that reshaped his reality. [Ding! Task completed. Reward: Perfect Rumble-Rumble Fruit (Water weakness eliminated).] [Ding! Task completed. Congratulations on acquiring the Flying Thunder God Technique!]