Rose has been taken by Onyx. With Rose gone and the knowledge he hurt Rose, Ryuji passes his days as a shell of his former self. The dragon empress Maruga arrives to announce Onyx's dangerous intentions. When she forces Ryuji to make a decision, he finally finds a desire hidden deep within himself. However, Onyx and Sapphie already have plans to take the weakened Rose out of the country. The final battle for Rose is about to begin! With Rose gone, Ryuji passes his days as a shell of his former self. The dragon empress Maruga arrives to announce Onyx's dangerous intentions. Ryuji finally finds himself and heads off for the final confrontation.

Having performed the coming of age ritual taught to her by Sapphie, Rose's mind matures before her body. Suddenly learning the meaning of shame, she cannot even touch her beloved Ryuji. When Ryuji begins having feelings for Rose, the two stop getting along. Those watching over them are surprised by Rose's abrupt decline in health, and Onyx makes a sudden appearance to reveal a shocking truth.

Ryuji, Rose and the others head off to go camping on an autumn weekend when a mysterious girl suddenly appears. She is Sapphie the blue dragon, with the ability to control water. She has come to avenge Onyx, her fiancee! Ryuji and Eriko fight Sophie off, but her words cast a shadow on everyone. Things get dangerous when Rose expresses great interest in finally meeting a dragon her own age.

A large package arrives at Ryuji's apartment. Eriko accepted a Lost Precious appraisal request from the society. While Rose excitedly examines the painting and Ryuji expresses his skepticism, the package sucks in Ai, Misaki, Eriko and Rose in a sudden flash of light. Inside they find a ghost town with a murderer immune to dragon's fire! Without Ryuji to help them, the girls run for their lives!

The second semester has started. Eriko causes trouble when she gets Rose into Ryuji's school, and Rose causes even more trouble for Ryuji during her introduction to his class. Redheaded researcher Bianca shows up to examine level 10 breaker Ryuji. The various tests exposing Ryuji's secrets catch Misaki's interest. However, something unexpected occurs during the examination. Second semester has started. Rose causes trouble when she goes to school with Ryuji. The beautiful blonde causes a stir among Ryuji's classmates. Redheaded researcher Bianca arrives and begins exposing Ryuji's secrets.

Ryuji disappeared! The wolf girl Ai and her master have taken Eriko's Lost Precious and Ryuji. However, the Lost Precious reveals the lies between her and her master, leading her to try to flee with Ryuji! Why does her master, a high level breaker and a researcher, hate the society? What happened 15 years ago? Emotions clash in this final battle!

Ryuji attends a society party as a breaker where he runs into a mysterious young girl and gets to see Rose in a dress. However, the wolf girl Odd Eye appears at the party to steal Lost Preciouses! Ryuji barely manages to fend off Ai's attack. Why did she attack? Why does she oppose the society? A new foe closes in on Ryuji! Odd Eye, a thief specializing in stealing Lost Preciouses of A Class and higher, makes an appearance a party Ryuji attends! Ryuji ends up face to face with Ai.

Ryuji gets close to George and finds the Lost Precious they are looking for. However, taking the Lost Precious Maruga has asked for seems nearly impossible. Eriko believes her plan to keep George occupied at the beach with Maruga's swimsuit has succeeded when a sudden incident ruins her plan. On top of that, Maruga reveals a secret about the Lost Precious. What is the sad past kept quiet by the white dragons? Can Ryuji and Rose conquer that sadness? Ryuji plans to steal the Lost Precious. Their secret weapon against George is Maruga in a swimsuit! However, a sudden incident ruins their plan. Maruga reveals a sad secret about the sword...

Ryuji heads to the beach with Rose and Misaki. Their swimsuits starts his heart pounding! However, a silver haired girl arrives with a dangerous request. The target is a powerful breaker looking for Rose!

Rose is kidnapped! The youth known as Onyx uses the tremendous power of the black dragon to subdue her. Onyx, who refers to Rose as "princess", seeks to make her his bride! Ryuji faces his emotional scars, unleashes the powers of a slash breath short sword, an S Class Lost Precious left to him by his parents, and goes after Onyx to save Rose. However, an insurmountable wall exists between humans and dragons. Emotions clash as the battle begins! Rose is kidnapped! Onyx, the youth in black, uses the tremendous power of the black dragon to subdue her. Ryuji faces his emotional scars and decides to fight. Emotions clash as the battle begins!

Rose, Ryuji and Eriko are suddenly invited to the Japanese branch of the society by a researcher named Tokura. While Rosa is indistinguishable from a young girl, the society performs a variety of examinations after hearing she is a dragon, and the results are...! Unconcerned by her situation, Rose is simply happy to be with Ryuji, and enjoys eating ice cream. However, a young man in black and an underground broker come for Rose!

High school student Ryuji's older cousin Eriko returns from abroad to drag him to the scene of an underground transaction where he gets caught up in a shoot out and car chase! While they thought they had stolen a miraculous Lost Precious from the criminal brokers, they ended up with a mysterious young girl! The young girl happily latches on to Ryuji even though they have never met! Who is this little girl? Thus begins the story of the beautiful young Rose and Ryuji!