Due to their achievements in the previous battle, Zero Two is permanently assigned to Squad 13 and Hiro is officially recognized as a Franxx pilot. Squad 13 is then rewarded with a vacation to a nearby beach. As Squad 13 plays around, they observe Hiro's relationship with Zero Two and begin wondering what exactly a "kiss" and "love" are. They then stumble upon the ruins of a town nearby and begin exploring them. They are perplexed at the existence of the town since they initially believed civilization only existed in the Plantations...