Forbidden Chapter 1: Volume 1

The Ancient Kingdom is a world lost in time where the Emperor rules over the land and has control over the mysterious portals. To protect the kingdom from unknown forces and monsters, the Light and Dark Ninja was formed and are extremely powerful. The kingdom's greatest tradition is having every son serving as the ninjas but before they can, they have to go through trials and a final ceremony. But Sun Lun the youngest son struggles to make his father proud.