Hm... I can't claim to know exactly what you mean, but I know loneliness.

[ He feels it, profoundly. Sitting here alone in the middle of the earth, sleeping in airports more often than hotel rooms at one point in his life, sometimes even while surrounded by people with wide smiles and bright laughter and still feeling it. ]

But not now, with a voice in my hands, speaking just for me. [ There's cheer in his voice, a smile on his face Yukine can't see. ] I'm going in undeclared- I want to try everything, and maybe never leave so long as I can afford it.