C271 You Don't Have to Think about Who My Boyfriend Is?

"What do you mean?"

Yin Huizhen finally broke free from Su Yuyin's grasp. Looking at the pool in terror, he retreated a few steps with lingering fear in his heart.

Su Yu Yin moved closer to verify and explained, "This small shard is a small explosive device that can record sound. It can be used at most three times. After opening it three times, it will emit a red glow when opened