There are a few I'd be interested in.

Borderlands 
Jack/Tina

Another
OCs

RWBY
Ren/Nora
Ruby/Weiss
Yang/Blake
Yang/Ruby
Blake/Son
Weiss/Neptune
Any combination of OCs and Canons 

Code Lyoko
Ulrich/Yumi
Odd/Milly 
Jeremie/Aelita
Aelita/William
Yumi/William
Aelita/Xana