He seems really hesitant and confused about the compliment, and then Yang realizes the tattoo might not be there by choice. It might not even be a tattoo at all. "Sorry, I didn't mean to dredge up anything bad." She apologizes as Serph lowers his hand. Probably should have just kept her mouth shut.

Her first reaction to Serph's inquiry is confusion. Nope, I've always had ears. is what she's about to say when she watches his hands go up to the sides of his head. One of the wolf ears twitches in confusion.

The sensation of that is so unusual, so foreign to Yang, that she jumps suddenly in surprise. Her hands go to her head. "What the—holy crap are these ears?"