Doce de los guerreros más fuertes y hábiles del mundo se han reunido en un mismo sitio para participar en una especie de torneo cuyo premio consiste en la concesión de un único desea, sin restricción alguna

El guerrero de la Liebre parece estar volviéndose cada vez más fuerte gracias a su necromancia. Por otro lado, empiezan a surgir alianzas temporales para hacer frente a la batalla.

Niwatori, la guerrera del Gallo, traicionó al guerrero del Perro en cuanto consiguió lo que quería de él. A continuación irá tras sus próximos rivales usando su gran habilidad para mentir.

Warrior of the Monkey, Sharyu, is a powerful fighter able to manipulate the three states of matter, but uses her power to bring peace around the world. She seeks peace at the Juni Taisen as well, until her lone ally asks if people are really worth saving.

El guerrero de la Cabra elabora un astuto y complejo plan para avanzar lo máximo posible, o incluso llegar a la victoria en esta Juni Taisen.

Warrior of the Horse, Uuma, has trained his body to its limits to acquire the ultimate defensive technique, "Stirrup." But his confidence in that ability faltered during his meeting with the Warrior of the Ox.

Warrior of the Snake, the younger Tatsumi Brother, is a dangerous individual who would have become a pyromaniac if he hadn't become a warrior. On their way to the Juni Taisen, he remembers the day his brother saved his life.

Warrior of the Dragon, the elder Tatsumi Brother, is an arrogant but cool-headed warrior who acts as commander when working with his brother. Using his "Heaven's Holding" ability to fly, he watches over Snake and waits for his chance to join the battle.

Warrior of the Rabbit, Usagi, is a Necromantist who makes other warriors into his "friends." Warrior of the Ox, Ushii, and Warrior of the Tiger, Tora, end up facing off against two of these "friends," the Tatsumi Brothers.

Warrior of the Tiger, Tora, once met a warrior who seemed to brim with righteousness. She joined the Juni Taisen in order to meet that warrior again, and now, it seems her dream of a duel with him may be granted...

The Warrior of the Ox, Ushii, is seen by other fighters as extremely powerful. The genius combatant uses his systematic killing style to slaughter any enemy he comes across.

Nezumi, Warrior of the Rat, is an ordinary high school student in his normal life. He used his ability, Hundred Paths of Nezumi-san, to become the Taisen's lone survivor, and in the process learned the wishes of the battle's other participants.