All humans in this world can use the power of the light of mana, and those who can't are considered to be subhuman 'Norma.' The world is like a peaceful utopia, and the celebrated princess Angelize leads a h...

Suou is just a normal highschool student. One night, she dreams about a red-haired demon girl... who shows up the next day in the middle of class and "claims" her as her property.