[Standing there in the middle of the living room, dressed in nothing but his black uniform pants was Yukio.]

Niisan! Take off your shirt! I think that one of our fights left us with temperate of some sort. I know that I didn't have have this before then.

[Yukio frantically motions to the cure tattoo over his heart dangerously close to the mess of black spots that was larger then the last time that Rin had seen them.]