Happiness 5 by Shuzo Oshimi

As the body count rises, the horror that has descended upon Makoto Okazaki’s life reaches an apex. The forces pursuing him and Nora are relentless, and they will not rest until they’ve captured their prey. But what fate awaits Makoto at their hands? And even as Yukiko continues her determined search for the truth and discovers the carnage that Yuuki has wrought, she is unprepared for the violent consequences…