Fifteen years later
The whole ninja world ushered in unprecedented prosperity and peace.
In this new era, all kinds of ninja are no longer only used for fighting, but widely used in people's livelihood construction, bringing great convenience to people's lives.
"Dun, the art of repairing bridges and paving roads!"
The reclusive ninjas are busy building roads and tunnels with their ninjas.
Their hands were imprinted, and the earth was shaped and excavated easily like soft soil under their control.
Straight roads under their control quickly