Chakra Has Been Away for Sixteen Years, and All of Them Have Become Tailed Beasts?

The fusion of Blue Star and the ninja world, the era of universal chakra. As a time traveler, Gu Yuan was born unable to condense chakra. Until one day, a giant red dragon that rivaled the tailed beast appeared above the city. Sixteen years later, he finally returned, the fire attribute chakra, now the Fire Dragon King Igunil! The fire dragon's iron fist, the fire dragon's wing strike... The fire dragon's roar! In the final exam, Gu Yuan shocked the whole school and was directly promoted to special jounin! After that, other attribute chakras returned one after another. King Red is an earth attribute, his body is like gold and stone, and his power is endless! Kyogre, the water attribute, controls the weather and expands the ocean! … The yin attribute of the candle dragon means day when eyes are open and night when eyes are closed! Each type of chakra grows into a being that is not inferior to or even surpasses the tailed beast! But why, when all chakra personifications are cute girls? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.