Crystal is taken from all she knows. School, family, friends, gone. And she hasn't even a clue where she is or how far away she is from home. And the man who has her is dangerous. Very dangerous.

"My name is Yukio Hamaguchi. It is my duty to protect all the Sincere provinces from darkness by harnessing the strength of the Callers. I'm currently fulfilling my dream of travelling the world on my dragon - Onin. I am a Dragon Caller, and this is my story." The Dragon Caller, the most powerful and rarest race of human in all of Valun. Capable of immense magical powers and swordsmanship. Yukio Hamaguchi, 19, Dragon Caller, is travelling the world on his mighty steed - his faithful Dragon when he is attacked and captured by Dragonfiends (Dragon Callers fighting for evil.) When a mysterious man declares war on all the Sincere provinces, Yukio and his new friends seem to be the only hope for saving Valun.