章 587: Chapter 587 Be Bolder

Song Yunuan had been here before.

The level of secrecy here was very high.

When Gu Huai'an entered, he even had to verify his fingerprint.

Song Yunuan had deliberately tried it out, originally she could have followed Gu Huai'an straight in.

But she took a few steps back and used brute force to keep the iron door from closing.

Then… she got shocked!

At that moment, it scared Gu Huai'an to the point where his face turned pale.

Luckily, he dodged quickly; otherwise, the consequences would have been unimaginable.

Every time Gu Huai'an brought her here, he would watch her closely without blinking.

Just afraid that she would cause trouble.

After passing through several doors, they finally entered the core area.

This place had a sci-fi vibe.

All were some sophisticated instruments that had not been displayed to the outside world.