A world where those who can use spirit magic are given preferential treatment in order to exterminate the rampant demons.Lux, the daughter of an earl who wields powerful spirit magic, was treated as an abomination at birth as her twin sister, and after 12 years of being thoroughly oppressed by her father and half-sisters, she was banished from her parents' home. Ru.However, as soon as Lux departs, the members of the earl's family are unable to use spirit magic for some reason, and they lose their privileges as nobles and are overwhelmed with despair.Meanwhile, Lux has turned into an adventurer and is making great use of her spirit magic.A legendary spirit beast appears before her, worried about the world's crisis.A thrilling adventure fantasy begins in which a girl who is hated by her father and loved by spirits cuts off evil!