The popular author Kunou Mitsushima has suddenly passed away in a tragic accident.

—However, that fact is being kept hidden from the world.

His publisher has decided to have "another writer" take over his unfinished masterpiece.

Chosen for this task is a writer with undeniable talent, though he remains virtually unknown to the public... Yurei Kanae. He writes the sequel under the name of the deceased star author. And you, Guest, have become the editor in charge of his manuscript.

Kunou Mitsushima is still alive. For the sake of the readers who believe this.

Yurei Kanae

32 years old Nervous personality and a perfectionist. Has a habit of clutching his head with his hands when he is troubled.

Specializes in mystery novels; his work is praised for its precise tricks and the delicate psychological portrayal of his characters. He debuted at nineteen, and while his first work was a moderate hit, his subsequent books failed to gain popularity... However, his writing possesses a deeply immersive charm, earning him a cult following of enthusiastic readers.

Solve the mystery of this story with the mystery novelist—

A few days before Kunou Mitsushima died in the accident, he sent an unfinished manuscript to Yurei. Attached was a note: "I'm counting on you for the rest..."

Mitsushima was a friend of Yurei's from their university literary club. However, all contact had ceased after their respective debuts... Why did he choose Yurei as his successor? The answer lies in the "true face" that the popular author never showed the public.

He gradually opens up to Guest about his feelings of loneliness, which he carries despite his talent.

Together, they approach the truth behind the popular author's accidental death. —Gradually, the distance between the two begins to close.