C173 A Golden Cicada Shedding Its Shell

"If you don't let me out, I'll tell the young prince that you locked me in." Bier threatened.

The young maid was an honest person. When Bier said this, she was really afraid in her heart.

"Then wait a moment." The young maid said timidly and then looked around for something. After a while, she found a big rock.

With a series of knocks, the rock collided with the iron lock