The Devil Fascinates Me In Heavenly Prison

set on a solitary island in the distant sea, a dangerous school life begins!kaoru jahana, a boy who aspires to become a true man, begins his high school life on a solitary island in the sea. there, he meets a charming girl, kanra, who is actually a demon who feeds on men's spirits…and it turns out that all the women on this island are the same demons!?