Every six months, the earth plunges into darkness as the sun's reign ends, and the moon takes control. During this period of endless night, humanity faces relentless threats—not only the bitter cold but also the monstrous soldiers of the moon, known as the "Indu." These creatures, human-like in appearance but five times stronger, hunt mercilessly in the darkness. To defend against these dangers, select humans who possess extraordinary magical and physical abilities rise to the challenge. These heroes, gifted with high auras, form associations to protect humanity and preserve order in this time of chaos. As the sun sets and the reign of the moon begins, a new generation of warriors steps forward. Follow their journey as they strive to become the strongest soldiers in history, battling to bring back the sunshine and restore balance to their world.