Eri of Ylocknalem: Origin

[My Hero Academia's Fantasy AU]

On the continent of Skioreh, there is a legend that a magical being has the power to rejuvenate someone to regain their life's prime or to have them lived in some form of immortality through some sort of eternal youth; this legend addresses the being as the Hallowed Child of Rejuvenation.

Knight squire and disciple of the one Sir Toshinori Yagi, Izuku Midoriya shall seek out this Hallowed Child in order to heal his friends as well as bringing back his master's true form.

However, great perils shall await him and the Child herself is more than meets the eye...