doku is a vampire, and the ENHYPEN, an expert group tasked with hunting down every vampire, is chasing her desperately. one evening, in seoul centre, doku was enjoying the night walking among the korean typical candy stalls. ni-ki managed to recognize her, although she was dressed so as not to attract attention, and as the regulation says, he took her to the enhypen's secret base. ni-ki however, unlike his members of the group, has no intention of hurting her...