Misao Harada has always been able to see strange creatures that are invisible to everyone else. Living as a regular high school girl, the teen wants a boyfriend more than anything, so when her first love, Kyou, moves back into the house next door it seems her wish will come true. However, Kyou is in fact a Tengu who has returned to fulfil their childhood promise and by taking Misao as his bride his tribe will gain tremendous prosperity. With other demons out for her blood, Kyou offers her protection if she will consent to marry him, but distraught by his revelation, Misao turns him down. In Kyou’s relentless pursuit to protect Misao and win her over he has begun working as her new homeroom teacher in order to best protect her. Now with demons attacking her at every turn, and a fox spirit named Shuuhei also vying for her hand in marriage, can Misao really resist Kyou’s charms forever, but does the handsome tengu really love her or is he simply after the benefits their union would bring?
In a bizarre fantasy world, students known as meisters are trained at the illustrious Shinigami Weapon Meister University; but the tools they wield are no ordinary weapons! Each meister is paired with a human-like being who can transform into a weapon at will; and after defeating a pre-kishin - a human whose soul has darkened - the weapon eats the soul within it. A meister's ultimate goal is to collect ninety-nine pre-kishin souls and one of a witch so that his or her partner will become an all-powerful Death Scythe. Maka and her partner Soul Eater; Assassin Black Star and his partner Demon Blade Tsubaki; and Shinigami's son Death the Kid and his partners the Demon Twin Pistol Thompson Sisters each vie for their ultimate goal, but plenty of challenges and adventures lie in their way!