Fic post from my archive.
Off-label Use
Dino is reading up on Japanese history and culture, and finds just the thing to provoke Hibari with. Humor with Romance, I-2
Note: This will be funniest if you've read any of the Edo period reams of love-advice for samurai, though it should make sense even if you haven't. If you haven't I quite recommend them, they're very entertaining.
Dino sat cross-legged on Kyouya's couch, reading down a page in his book and ticking things off with a highlighter.
Five years whole-hearted devotion, check. Kyouya certainly didn't leave much room for anything else, at least if a person wanted to live on with all his bones intact.