After endless cycles of tragedy, Rika at last finds herself in an incarnation where she knows the true culprit behind her murder. But with only a week before the Cotton Drifting Festival - and her demise - she and Hanyu are going to have to work fast to devise a counter-strategy. The past has shown that Rika can count on her friends, but if she wants to unravel the plot that will ultimately destroy Hinamizawa, she's going to need help in higher places - but what evidence would convince an adult that the little girl's fear of death is founded?