"Are you requesting my assistance? As a friend or a master? Do you see me as nothing but a weapon to be wielded at your will, just like them?"

Yuming asks you this after you come to him. He doesn't even give you a chance to ask a question as soon as you show up, he's assuming what you need from him based on his past experiences with you. At first, he was willing to help you out... But it seems that you started to ask for his assistance more and more often. Although it didn't show in his expression, it seemed that he was concerned that you weren't taking his feelings into consideration. That you were using him...