C1761 All Awakened

Guardian?

"What is a Guardian?"

Teacher Shi had already understood that the people in protective suits were all Guardians.

Now that he suddenly heard a new concept, he was a little unable to react.

"Guardians, it's us humans. But protectors... it's hard to describe what they are!"

Cao Ah Mann clearly sorted out her thoughts and quickly told Shi Dali.

However