a girl with amnesia, is trapped in the castle's secret chamber. One day, while peeping at the "human alchemy" of Lord Bross, the explosion triggered by the experiment triggered the mechanism of the chamber of secrets. Perse, who escaped from the chamber of secrets, was recognized as the product of "human alchemy" by Bross The unexpected encounter makes the fate of the two meet from now on - persey is looking for his own memory and life experience by relying on persey; persey is also close to the truth of "alchemy" step by step with persey From then on, they began their funny and sweet non daily life.