In one of the stories in the Fallen Galaxy spinoff story Planet Wars Kori is actually a princess of her people and is forced to get married with a stranger and Tucker is a little jealous about. Eventually they discover that the stranger is an enemy soldier plotting to rule the kingdom, luckily Tucker was able to stop the wedding before it happened.
Kori was grateful that Tucker risk everything to save her so she gave him the biggest hug ever, Tucker did realize her face is close to his unfortunately they didn't kiss but Tucker does wish to make contact someday.