He was still frowning, but Zero complied with her instructions, downing the water in a steadier pace this time. He could feel it sloshing around in his stomach, he could even hear it somehow - it was unnerving.

Once he was done, he lowered the cup, idly examining its weight and feel in his hands. It was heavier than it appeared, and seemed to squeak under his thumb as he ran his finger over it. Huh.

Somber, even a little resigned, Zero avoided the girl's gaze and stared down at the empty glass. "...I know."