Since Year One, humanity has been unable to survive under the sunlight. Their bodies crumble apart in an instant, like shards, when exposed to its rays. Cities protected by transparent domes, damp underground settlements, and an extensive network of tunnels beneath the earth have become their last sanctuaries.
As the alliance between humans and vampires grows increasingly fragile, and pagans who worship the sun and rebellious fallen angels once more send waves of terror sweeping across the world, the dragon knights who command magnificent angelic girls in battle will surely become saviors and bring hope.
Xia Qianli (male) is one of tens of thousands of dragon knights. While still studying at the Dragon Knight Academy, he is accidentally drawn into an unbelievable anomaly by an underground adventurer. He has never imagined that his glory would be celebrated in song, but what kind of story will he and his battle angels face?
