[He smiles widely at Ayaka's blush, inspecting her hand for a moment longer before nodding and moving his hand to her wrist.]

You are right -- this place is indeed dangerous. Any measure of protection is a step in the right direction. [And any step in the right direction for Ayaka was another point in her favor.] Come, let us tend to your hand.

[And by that, he means he will draw her over to the closest pool of water so she can wash her hand.]