In the distant but still unforgettable past, a direct war between humans and monsters broke out. When the two sides were in a stalemate, humans and the supreme monster, the dragon, made a contract... Finally, the dragon rider ended with his invincible power. War. The human world and the monster world have been stabilized for a long time, and the dragon king has also entered a long sleep... Today, the prosperous human world has a country where humans and monsters live together, and the society is prosperous, and a group of young people guard this In the peaceful and prosperous age, they are-Dragon Knight! Today, they are still working vigorously... (Translated from bilibili)