Rikuo Kisaragi lives a life of routines?crowded platforms, sleepless nights, and a job that drains more than it gives back. Every night, the last train passes through his station, its destination unknown and its existence denied by everyone else.

One night, he boards it.

The train carries him to Lumina, a hidden city suspended between order and chaos?where light has weight, shadows listen, and every choice is carefully monitored. Lumina is beautiful, controlled, and quietly dangerous.

There, Rikuo meets Shizuku, a girl bound to the city's light and to rules that cannot be broken. As he learns the truth behind Lumina's rigid systems and the force known as the Shatterline, Rikuo is pulled into a conflict far larger than himself?one that demands movement, courage, and sacrifice.

Crossing forbidden zones, evading sentinels, and uncovering secrets meant to stay buried, Rikuo must decide whether Lumina is a sanctuary... or a cage.

Because some worlds survive on balance.
And some survive on rebellion.

Last Train to Lumina is an adult urban fantasy blending action, adventure, mystery, and emotional depth. Perfect for readers who enjoy hidden worlds, cinematic storytelling, and journeys that blur the line between escape and responsibility.