C610 Shame on You

"Who is it?"

Calvin jumped up from the sofa like a spring and walked to the window with a frown.

This was their secret base. Had they been discovered?

With an uneasy feeling, Calvin went to the window and looked around.

However, the window was empty. He did not see anything.

"What the hell? Could it be a stray stray cat and wild dog?"

Calvin had to guess