Higurashi When They Cry: Eye Opening Arc, Vol. 4 — Ryukishi07

The demon of the Sonozaki family has found fertile soil in Shion's soul, and her fury rages out of control as she targets the last of those who are guilty of paining her beloved Satoshi. But how far is she willing to go? Will any torture or punishment fill the void left by her dear friend? Or will the sacrifices only rip greater holes in the tatters of her heart? The last pieces of the puzzle fall into place in the final volume of the Eye Opening Arc!