That smirk. Oh god that smirk could light a fire in him any time of day. But it also made him want to compete even more and right now that competition involved trying to get in her way as much as possible before he could melt under her concentrated attack. Which would probably happen regardless if last time he let her take charge was any indicator.

"Not at all~ I'm just giving you a great enough challenge for your strengths~" Natsu answered back before a shuddering groan was torn from his lips when she started kissing and licking along his chest while her hand started working his length with almost tortuous slowness.