House of stairs

One by one, they brought the five orphans to the strange building. It was neither a prison, nor a hospital. The enormous room has no walls, ceiling, or floor. Nothing but an endless number of stairs, running up and down, none of them leading anywhere. There is no escape but to a strange red machine. In the world of orphanhood, getting used to your loneliness means your survival. Finding a companion means that the world has become less lonely. But if you are forced to remain in a world with no way out, no sky to see, no future to look forward to, no privacy or even food. Will you choose loneliness and sacrifice your mind to save your soul, or sacrifice your soul to survive in the war for survival?