C4020 Contract Signing

"When can we start the subway?" The Spirit Emperor said with a smile.

"Within three months." Ning Caichen said with a smile.

It was supposed to take half a year, but if both sides started working at the same time, it could be cut in half.

It was extremely fast for Little Celestial Immortal to open a tunnel with a group of Spirit Beast and humans in the world of toads