Muge Mountain, which has been closed for half a century, is opened to the outside world. The protagonist group "accidentally" enters the Twilight City, which was built on the eve of the defeat of the Japanese Empire.
As the secrets buried underground in Twilight City come to light, shocking conspiracies quietly surface. . .
As dusk falls, the identities of all members are confusing, and extremely dangerous characters are hidden among everyone, with ulterior motives.
"Death City", "Hidden City", "Twilight Sickness", "Golden Passage", "Twilight Project", "Scavenger Project". . . Everything is planned by the mastermind behind the scenes.
Start a thrilling reasoning and battle of wits on the edge of death.
Please live to the end and solve the mystery,
Disintegrate all conspiracies and confirm the identity of the mastermind behind the scenes!
Escape from the twilight city,
And find the "real" truth.
The plot is rigorous and great!