C61 Self-rescue

"My head hurts …" Su Ranran muttered in a low voice. Her nose first smelled the smell of dust, then she slowly opened her eyes.

Su Ranran was still barefoot, shivering from the cold. With a slight movement, she discovered that her hands were tied behind her back.

"…!" Su Ranran's heart jolted and she instantly woke up.

She turned and looked around. The surroundings were very dark