Dragon Crisis!

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!

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!

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!

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!

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, Eriko and Rose were attending a party with many A class and above Lost Preciouses. They also meet a new collector who seems interested in Eriko; he tells her that if he finds out anything about her other earing then he will contact her. The guests were attacked by "Odd Eye", a half-beast Lost Precious thief that Ryuji had just seen in a magazine. Later at their home, she tried to steal Eriko's earring, but end up tied to Ryuji by a failed capture device. While waiting for the bind to vanish, they learn that her true name is Ai, and try to figure out who is making her steal, and why. The next day Eriko answers a knock on the door and it is the new collector who says he has found the other earing. He opens the box supposedly containing the earing and sleeping powder comes out of it, putting Eriko and Rose to sleep. He then tells Ai to follow him, putting Ryuji to sleep as well.