C863 It Kept Raining!

"I didn't expect to be so serious just now and actually waste so much time. No, I can't say that it was a waste now. It was a lot of time in the past, but no matter what, I finally solved the first mechanism. It seems like this mechanism should be in each box, and it's a mechanism!" Akira Uzumaki looked at the second box and said in a low voice while smiling.

However