Ouma is a very powerful and vengeful spirit. He can come back from spiritual sleep on his own, can resurrect other ghosts from spiritual sleep and control them. He was once put to spiritual sleep by Kayako. Angered by this fact, once he returned, he wanted to exact vengeance by killing Satsuki and Keiichirou, who are Kayako’s children. The battle against Ouma will be Satsuki’s greatest challenge, which requires the help from all her friends, including Amanojaku.   …