C581 Why Are You Hiding from Mao Mao

"These foreigner, they can't do anything well. They really make me mad."

Mad Doctor swore and went directly to the lowest level of the basement through the personal passageway. Through his fingerprint, he opened a very tight room.

He took a small, delicate instrument from his pocket and turned it on.

Buzz …

The sound waves that ordinary people could not hear dispersed like ripples