Ella, an ordinary white-collar worker, accidentally awakens to the power of controlling darkness. She is told by her mentor Cass that as a descendant of an ancient kingdom, she shoulders the mission of fighting against the rulers who devour the world. He suffered repeated backlash during training, and even fell into a crisis of trust due to Cass's "betrayal". She cracked the code of ancient books alone and went deep into the misty forest to face her inner demons. However, on the eve of the ceremony, she discovered that Cass wanted to sacrifice for victory. In the end, Ella defeated the ruler, inherited the legacy and became a guardian, but she realized that the aftermath of the darkness was not over yet - her journey had just begun.
Concept: The double-edged nature of dark power