NARUTO: Greatest Shinobi

Yuuto, the greatest boss of the underworld, suddenly discovered a ancient ruins after being informed of a possible gold city. There, they seek treasures and riches. But, what they sought isn't treasures or riches, a goblet saying it gives an eternal youth. Unfortunately, things didn't go as planned. Yuuto died after drinking a mysterious goblet, that is meant for his dying sister, of the ruins . "I shouldn't have drank the goblet! I'm an idiot! now I can't save my sister!" "I'm sorry miyuki!" "No! This isn't the end! If I ever come back from this, I shall return to you sister!" I don't own any of the characters in this Fan-Fic. I am a beginner in the Novel World so please teach me along the way of writing. Educational criticism is allowed. Please enjoy!