Keith mentioning the fact that he doesn't know Hunk draws a sad grimace from the usually cheerful boy. Thankfully, with his back turned towards the other, it's not shown. It's easy enough to mask the pain he feels with his voice, "No worries, my man. We were friends once, we can be friends again, right?"

Taking a quiet inhale, he steels his expression into a happier one as he looks over his shoulder, "We had a bonding moment after all. Even if you don't know about it yet, we're like destined to be buddies! So... no more apologies, okay?"