The young demon couldn't help but flinch a bit at the rebuke he received. "Th-that's so mean...I'm not that bad..." As he was grabbed and pushed back, though, there wasn't all that much that he could do but wait nervously for her to finish. The whole rant wasn't part of the plan as far as he knew. 

"O-of course I can fight! What kind of demon king would I be if I couldn't?" Even as he answered the question, he could feel the anxiety getting stronger. Every worry he had before was slowly trying to crowd his mind again, to get him to back down.

He couldn't, though. This was his fight. He could do this, he had to do this! "Both of our lives have built up all the way to this moment! I won't hesitate!"