[Yokuutsu]

Vincent just looks at him with wide eyes, surprised at what's going down right now. He definitely didn't expect this to happen to say the least. He kind of shivers, hearing Don's voice, it has an effect on him. He shivers, making a little noise at the nibbling and all. That's when his brain finally starts to work again and he tries to push Don away. "Whoa, whoa, whoa. This is going too fast here." And Don is acting a bit possessive.