Oomukade

Encyclopedia Entry:

A monster having the lower body of a centipede that mainly inhabits the Zipangu region.  The upper body has the form of an alluring beauty gives off a dark impression.  Just as it appears, they have a melancholy, cheerful disposition.  However, they also have a ferocious nature at the same time, and when they spot a human man, they aggressively assault and attempt rape.