"Of course I mean it, Sora." It was his wedding too, and he had just as much to celebrate as Sora did. If not more.
"To you remember Christmas, when I was trying to find a good gift for my Mom? Remember how I gave her those earrings? Well, when I was at the jewlery store, they had some... engagement rings on display, and I really only meant to look, but, well..." He'd been hiding them from Sora ever since, trying to find the right moment. He'd been half tempted to slip Sora's on in his sleep to get out of having to actually ask.
"Yes," Riku said leaning in for a little kiss. "Yes, yes, and forever yes. If you will marry me, Sora."