He leaves Shinjirou bound for the moment (he looks disoriented enough without overwhelming him with new sensations), and goes retrieve a thermos flask from his bag.

"Drink slowly," he warns, raising it to Shinjirou's lips and gently tilting it down. The water inside is still warm. Carefully, he wraps an arm around Shinjirou's shoulders to support him, uncaring of the way it immediately dirties his jacket. It can always be cleaned later.