After the Enterprise has a successful first contact with the planet Krypton, they bring aboard Ambassador Kal-El and his son Kon-El. Captain Kirk becomes quite fond of the young man who reminds him of himself, so when Kon-El falls hard for Lieutenant Timothy Drake, he enlists his bondmate's assistance in getting the two together. But various factors make this easier said than done...

or a prompt at [info]st_xi_kink : Firefly crossover, pre-series. Tween!Chekov and River, at the Academy. As childish and Toy Ship-y as two mentally fun child prodigies can get together. And River's bare feet. (Come on, this is Firefly. There has to be an inordinate amount of focus on Summer Glau's feet.)

Try as he might, he still can't get inside Spock's head.

Exactly what it says