Ko, a human boy, falls in love with Nanakusa, a vampire girl, and wants to become a vampire too, but Nanakusa invites him to her abandoned building just to taste the sweet blood from her nec...Read allKo, a human boy, falls in love with Nanakusa, a vampire girl, and wants to become a vampire too, but Nanakusa invites him to her abandoned building just to taste the sweet blood from her neck.Ko, a human boy, falls in love with Nanakusa, a vampire girl, and wants to become a vampire too, but Nanakusa invites him to her abandoned building just to taste the sweet blood from her neck.