Kazuki, a hikikomori trapped in years of isolation, finds an unexpected connection online with the enigmatic Itako. Their conversations lure him into a dangerous game that blurs the lines between reality and madness. Drawn out of his decaying apartment and into Tokyo’s dark underbelly, Kazuki’s world unravels as he commits violent acts and discovers he’s part of an ancient ritual. As the sinister truth emerges, freedom comes at an unimaginable cost.