Fighting against someone that you underestimate seldom ever goes well.
Her speed threw him off and he wasn't certain as to the depth of her powers and the fact she didn't choose to strike him when evading.
Was she simply demonstrating that at any moment she would have landed an attack on him if she so chose?
Tagawa didn't want to feel like he was being looked down upon, that unspoken thought in his head that she might be toying with him only fueled his drive further to push himself.
The brown haired male swung his fists at her wildly, turning them into inflated knuckles to try to punch her as hard as his fists would allow but since he committed too hard to attacks he didn't know would land it would leave him open for an opportunity by Nyoko's hands.