User blog comment:Servant of Evillious/Ru Ri Ra, Ru Ri Ra The Resounding Song Analysis/@comment-16798306-20130427040825/@comment-6192846-20130427124055

Also note the connotation of "blood" in the form of "being related by blood" and the idea that your blood is your family. With this meaning, the phrase gives the double meaning that translates to, "the color of family blood", referring to the family of four she murdered.