The Spirit Inside
Humans and ghosts have went into war with each other. Mysteriously, ghosts have killed humans and took their hearts to create and evil spell to enslave humanity for revenge. Black Bullet, a group of humans have created weapons called Soul Snatchers that are capable of killing humans.
Vidar is a girl who isn't normal; she can talk to ghosts and meets a ghost named Eros who thinks Vidar is her love. Vidar has a spirit inside her which makes her super strong and give her powers. She cannot give it complete control or the spirit will burn her body.
Mason is a boy who worked with Black Bullet, as a Runner, before he and Vidar escape that prison. Black Bullet were trying to torture them in giving them answers, but they leave right before. He too has a spirit inside him.
Mason and Vidar have the same goals; don't let the spirit take control, stop the evil spell, and find out who the real enemy is. Is the enemy the ghosts? Or humans?
Vidar needs to also escape Eros from his crazy love too