[Ugh. The taste of roughness is painfully teasing and not enough. He lids his eyes as if he's savoring it, so he's dazed when he opens them and realizes Higekiri has been talking.]

...What? Oh... No, elder brother. [He dips his head, tries not to be horny because his brother! is fucking injured! He's supposed to be concerned!] No one has told me about any curses.

Did you speak to Nikkari-san...? Maybe he would have felt something...