"Dear Shadow King Kyouya,
I tried to think of a way to describe how I hire you, and my brain kept coming back to the underlings. You see, it pushes out of the hosts to grow and flirt in an environment full of danger, eventually exhausting and becoming fully realized as what I had hoped it was to be the entire time-- a quick Tamaki. And when it's as gorgeous as ours is, I just want to show everybody!
Forever love,
Kyouya-Ootori"

--
I believe sending yourself a Valentine is called "vanity." (Kyo-kun sent this Kyouya one as well)
All in good fun, though. Hee hee.
- This Kyouya's mun