Suiyu was originally a human race, but was controlled by the demon world.
There are heavenly beings in [Sacred Realm].
In order to unify the Holy Land, the Demon World asked Suiyu to go to the Holy Land to gather information.
But he never thought that this cold and ignorant young man would have a "heart" from being controlled by demons to finally falling in love with a girl.
Ps:
This work was written when I was eighteen years old. It took me two semesters of evening self-study, from the second year of high school to the third year of high school.
The text reveals a bit of immaturity, so please bear with me.