A high level mid class spirit specialzed in earth spirit arts whose principal body it's the enormous world tree located near the spirit folk's village, since they settled there more than one thousand years ago the spirit people has deified, held annually in her honor the spirit festival, hidden her main body from the rest of the world with several layers of barriers and attended to her, in exchange she gives her blessing to the village's inhabitants when they reach a certain age, something that reises slightly their total quantity of magic power and their aptitude for spirit arts and lets them to use the world tree's sap as an ingredient for the spirit liquor, elixirs and panaceas. As a spirit of nature Dryas posseses a great quantity of knowledge about plants and how to cultivate them, when the spirit folk that settled near her principal body came from all over the continent bringging with them all types of plants and seeds for cultivating them she advised them about the right way of doing it, when Rio brought back from the Yagumo region several types of trees and plants that the spirit folk didn't have in its village she was the one to teach them the right way of rising those trees.

Spirit Chronicles
Amakawa Haruto is a young man who died before reuniting with his childhood friend who disappeared five years ago. Rio is a boy living in the slums who wants revenge for his mother who was murdered in front of him when he was five years old. Earth and another world. Two people with completely different backgrounds and values. For some reason, the memories and personality of Haruto who should've died is resurrected in Rio's body. As the two are confused over their memories and personalities fusing together, Rio decides to live in this new world. Along with Haruto's memories, Rio awakens an unknown "special power," and it seems that if he uses it well, he can live a better life. But before that, Rio encounters a kidnapping that turns out to be of a princess of the Bertram Kingdom that he lives in. After saving the princess, Rio is given a scholarship at the Royal Academy, a school for the rich and powerful. Being a poor orphan in a school of nobles turns out to be an extremely detestable place to be. [MU]

Mythical Spirit Chronicle (Manga)
Amakawa Haruto is a young man who died before reuniting with his childhood friend who disappeared five years ago. Rio is a boy living in the slums who wants revenge for his mother who was murdered in front of him when he was five years old. Earth and another world. Two people with completely different backgrounds and values. For some reason, the memories and personality of Haruto who should've died is resurrected in Rio's body. As the two are confused over their memories and personalities fusing together, Rio decides to live in this new world. Along with Haruto's memories, Rio awakens an unknown "special power," and it seems that if he uses it well, he can live a better life. But before that, Rio encounters a kidnapping that turns out to be of a princess of the Bertram Kingdom that he lives in. After saving the princess, Rio is given a scholarship at the Royal Academy, a school for the rich and powerful. Being a poor orphan in a school of nobles turns out to be an extremely detestable place to be.

Mythical Spirit Chronicle (Light Novel)
Amakawa Haruto is a young man who died before reuniting with his childhood friend who disappeared five years ago. Rio is a boy living in the slums who wants revenge for his mother who was murdered in front of him when he was five years old. Earth and another world. Two people with completely different backgrounds and values. For some reason, the memories and personality of Haruto who should've died is resurrected in Rio's body. As the two are confused over their memories and personalities fusing together, Rio decides to live in this new world. Along with Haruto's memories, Rio awakens an unknown "special power," and it seems that if he uses it well, he can live a better life. But before that, Rio encounters a kidnapping that turns out to be of a princess of the Bertram Kingdom that he lives in. After saving the princess, Rio is given a scholarship at the Royal Academy, a school for the rich and powerful. Being a poor orphan in a school of nobles turns out to be an extremely detestable place to be.