[ Mercifully(?), Josuke is very learned in the art of gaslighting normal people who he heals with his powers. So, his lying is pretty natural, despite his tendency to clam up when forced to fib on the fly. ]

Nah, I didn't do anything. [ He shakes his head, sitting back on his heels. ] I thought you might've been really hurt, but it looks like everything is A-okay. That's a relief.

[ He turns back towards Ritsuka and Fou, also interested in learning what exactly Fou is. And, uh, not breaking eye contact with it, because now he's scared it might jump him again. ]