龙与地下铁

As a carp who leaped over the Dragon Gate and transformed into a dragon by trampling over countless others, "Tiantong" never imagined that after becoming a dragon, he would not only fail to soar through the skies but instead be trapped underground, reduced to a subway train serving as a human transport tool. Just as he had resigned himself to this fate, he encountered a child named Nezha who longed to reach the heavens. Can the two of them make their dreams come true?