The Ultimate Evolution, a Power Bank Among Treasures

City + science fiction + making money + passion + black technology + energy You are already a mature power bank and can take care of your master. Yang Chong was delighted to receive the treasure of a mutant power bank. He thought it was just an ordinary power bank, but he didn't expect that it would evolve on its own, helping its owner make a lot of money while also helping him deal with all kinds of troubles.