Noctis was confused and disorientated because he didn't understand. He had thought... but he didn't have a whole lot of time to think as the smacks came down one after another, sending pain up his spine and everywhere. He cried out, his hands in fists, pulling on the chains that held him, as they kept coming.
"Please! Please!" Noctis cried out between panted breaths and noises. After the shock had worn off and the spanks kept coming, Noctis' body started to react in a way that would probably surprise Zoro. Noctis was becoming aroused with each hit.