In the midst of a chilling sophomore year, Haruka Ozawa faces the haunting reality of friends possessed and lost to suicide. Treading on the brink of danger, she turns to Yakumo Saito, a student with a mysterious red eye granting him the ability to interact with the deceased. As they delve into dark mysteries, the past refuses to stay silent, with murderers willing to strike again to protect their secrets. Guided by Yakumo's unique gift and aided by unlikely allies, including a journalist with a sinister secret, Haruka uncovers a trail of unearthed bodies and hidden truths. Will this unconventional duo of supernatural investigators crack the chilling case, or will they become victims of a sinister plot that thrives on silence and death?