In a world full of ugly deaths and devastating emotions, one must find beauty in something to keep on living.
Levi, the man they call humanity's strongest soldier, found his reason to keep on living and fighting for a better future in Petra, but because of their dangerous life style, he would never admit to himself or to anyone how precious she was to him.
When the dark days came, doubt and uncertainty filled Levi's heart. Almost giving up on life, he finally gives in to his feelings and lets Petra be his life support.