Curate, connect, and discover
i like to imagine that by the time of kh4, ventus and roxas are friends. at first they're probably awkward around each other, but then they become best buddies and make it everyones problem.
one scenario i have thought up is of them using the fact they're pretty much identical to troll people by pretending to be the other. but aqua and terra figure it out and instead of being annoyed, they team up with roxas to bully ven