In the world of dragon knights where humor and misunderstandings are constant, trainee knight Renn accidentally becomes the partner of the young dragon Glass, and begins an ups and downs adventure. As their partners gradually gathered, the special dragon-riding bond gradually emerged. Lane and Glass overcame obstacles in a "funny way", breaking the rules many times, saving their companions, and causing jokes. At the same time, all forces are ready to move. The black dragon knight Cecily is gradually approaching, and the world crisis is emerging. Renn grew up in laughter and tears, leading the team of dragon knights to fight against the darkness. Finally, at the most tense moment, he used a special method to unite dragons and humans, ending perfectly. The book compactly advances this unusual legend of dragons and knights through humorous passages and reversals.