A girl and a boy who are childhood friends have always loved each other.They are now in college and face challenges in proving their love to each other,but they however strive to be together.

It's a story about 2 brothers, namely Black and White,being named after their hair colours.In the universe they are in,there are supernatural forces.This story takes place in a region called Azoria.Monsters known as Grand Beasts exist within their region.They cause havoc and feed on humans.These monsters are destroyed by people known as Monster Slayers.These are trained assassins that possess power known as Renex,which is the main source of power for every supernatural thing.So,this story starts with the two brothers,who dream of becoming the strongest slayers.