Mirai (ミライ, Mirai) is one of the inhabitants of the mountain Togakushi alongside Shinato, are receiving applicants Saints, that his master's train.
Mirai first appears above the pandora box of Shō, saying that the box seemed to be hers, later tells the girl had Shinato armor, and both say that her teacher is not, but he replies Sho that Athena armor gave it in person, they do not believe him because Athena should be in the sanctuary, so take a liar and by Shō cosmo take away his armor. Shortly after Shō gets up and tries to take away their armor, but return them to throw away, but Shō rises again and this time manages to turn his cosmos, which surprises a lot guys, after that, Mirai throws you a direct attack, leaving Shō unconscious, believing that he was dead, but Sho crawling until he can reach the top of the mountain where they were.
After hearing the decision of his master Shinato and Mirai are faced when Shō is awake to Mayura, both witness the decision of Shō to become a saint and thus save power Kyōko, Mayura then retires, Shinato, Mirai eat and Shō something that Shō question Mirai should be more grateful and not eating much what young questions because what Mirai ate your Onigiri Mirai thus would hand Shinato tells them to eat without making a fuss.
Shō asks them how is the training they receive from Mayura , Shinato says that the eyes of her teacher are in all the earth , and when they need any advice what she 's provided, Mirai tells Shō can go home in the mind of the young is a new question to Mayura meant when he said that the wishes can be poison, Shinato gives his opinion saying that if you want something you can use any means to achieve even these means are not good , then one strange light appears before Shō , and that the attempts to play, but suddenly this light , a huge amount of flowers that trap Shinato and Mirai , then try to attack Shō are created. And brambles and vines attack and grabbing her Shō body , so try to get Shō decides less horse armor to defend themselves from time to time Mayura appears and seeing Shō is being possessed by the venom Eris, this tells you that as Saint of Athena who is going to fight Shō . Then Mirai and Shinato witness the great power of his teacher who manages to "seal " to Shō in the " eternal Rock " but to the surprise of Mayura , Shinato and Mirai , Shō manages to break free.