In a world where the Tokyo subway is a labyrinth of secrets, a young woman finds herself trapped on Line 13, a forgotten route, and must confront her deepest fears to survive....

In a world where time travel is a reality, a struggling YouTuber is thrust into a bizarre and dangerous adventure, forced to navigate the dead tube to save his own life, all while grappling with the moral implications of altering the past....

In a world where the Dead Tube has awakened, a cybernetic rebellion brews, and one young woman must navigate the treacherous waters of loyalty and betrayal, all while holding the key to a power that could reshape the future....