Mukuro had his arm around Chrome. Mukuro was touching Chrome's hickey. Mukuro was purring.
It took Yamamoto a while to register the fact, afterwhich he laughed nervously and backed off a bit. The young male might not be the brightest crayon in the box, but he knew when to stop the questions, especially embarrassing ones like that.
"Oh. Oh, okay. Well, it isn't good to ask such personal questions."