Oh my, yet another gem! :D I love how you keep them in character and create convincing interactions between the two. And I love that little part at the end "the way Matsuka nuzzles the pillow and breathes deeply". Ahh there relationship is so... intense and melodramatic!

My, what is this marvelous little story that has just appeared? :D

I think you've captured their interactions spot on. The part about Keith just leaving Matsuka where he collapses, for example, is so clever and so clearly *Keith Anyan* that it almost hurts.

I am adding the scenes you described to my own personal canon of what happened in the anime.