A cage is still a cage, no matter how beautiful the gold of the bars.
[Seiji can understand the feeling himself. Had he been brought her during the war--while the lives of his friends and all of the others in his world were still at risk--he would have been seeking an escape as soon as possible. The consequences would have only mattered if they prevented him from returning to his world.
But the war is over and Seiji is still restless here.]
The lack of purpose in this place makes it more difficult to accustom ourselves to it. That may be for the best.