Fighter D is intent on beating the Ranger Force for real after the Sunday Showdown between the monsters and the Dragon Keepers is revealed to be a facade, nullifying Fighter D's previous victory.

Fighter D's hostility towards the Ranger Force causes the Red Keeper to start doubting the monsters. Meanwhile, D enters the recruitment exam incognito and joins Hibiki Sakurama and Yumeko Suzukiri.

Fighter D decides to infiltrate the Red Garrison with Yumeko, only to find himself in a tight spot.

In pursuit of Fighter D, Aran Hekiru, a Blue Junior Third Rank, discovers his connection to Hibiki.

Fighter D infiltrates the White Dragon's Nest in disguise and discovers someone in hiding.

Fighter D and Kai Shion work together to face off against Shun Tokita in the final exam.