Alt! Shiro is more jolly because his arm isn’t cut off and he married KEith. He still holds that Garrison Shiro’s let’s-jump-off-the-cliff-on-our-hoverbike spirit.
My favorite Sheith trope is when Keith is so used to his love being one-sided for a long time that he doesn’t recognize it when Shiro starts to reciprocate. Keith be like “Shiro gave me a friendship ring yesterday. He cried when I put it on. Shiro’s very sweet these days.”
A light flickers against his eyelids, not sparking, but faint, like the first hint of sunrise. Shiro stills against him, breath drawing in surprise. Keith’s eyes shoot open because—there’s light in the water.
For a moment, he thinks his mind is gone. This, at last—this is the final thing that breaks him, and none of it has been real. A handful of blue spots glow and dance in the waves closest to him, flickering and changing. It’s impossible and beautiful.
“That’s what I wanted you to see,” Shiro says against his temple, rough as stone, reaching out to drag his long-clawed fingers through the water, making a thousand new lights appear in his wake. “This.”