Yuta Gamon, a self-proclaimed NEET and owner of the paranormal blog Kirikiri Basara, unexpectedly becomes entangled in a supernatural conspiracy tied to the mysterious "256 Incident."

This event, involving the mass suicide of 256 people by drowning at Inokashira Park, triggers a series of bizarre occurrences in Kichijoji.

Yuta and his eccentric group of acquaintances—including his bubbly friend Ryoka Narusawa, investigative journalist Toko Sumikaze, introverted doujin author Ririka Nishizono, ESP-researcher Sarai Hashigami, high school fortune teller Miyuu Aikawa, medium Aria Kurenaino, and detective Shun Moritsuka—become embroiled in the mystery after encountering strange phenomena and a cryptic coded list tied to the victims.

This list was left behind by Sarai's father, Professor Isayuki Hashigami, a physicist investigating the occult and supernatural, who had recently theorized the possibility of ghosts existing.

The investigation also reveals a critical piece of hardware: “Odd Eye,” a large antenna array in Kichijoji that broadcasts the Society’s mind-control signals.

They also learn that time flows at a vastly different rate for the astral plane: roughly one day in ghost form equals only one minute in the physical world.

With her insider knowledge and the late Professor Hashigami’s research, the protagonists piece together how the Society’s technology works and how they might reverse its effects.

With the Society of Eight Gods’ plan nearing completion, Yuta and his friends confront the organization at the Odd Eye antenna facility.

This brief gap means their bodies are not yet beyond saving – the group awakens back in the lake just after the suicide incident, and each person manages to swim ashore or get rescued before permanent death occurs.

This timely resurrection thwarts the Society’s ambitions, dismantling the World System and preventing the collapse of the boundary between life and death.

The occult conspiracy is brought to light and halted, and the once disparate group of nine lives on, forever bound by their extraordinary experience of life, death, and second chances.

[5] The series was one of four titles originally offered by J-Novel Club, an online English light novel publisher, when the service first launched.

[1] The anime was produced by A-1 Pictures and directed by Kyōhei Ishiguro with assistant director Miyuki Kuroki, with To-Jumpei Morita handling series composition, Tomoaki Takase designing the characters, and Masaru Yokoyama composing the music.