Once upon a time, you had a nightmarish dream, where the whole planet got flooded by ocean, for unknown to you reason. While exploring, you felt like a fish in the darkness of endless sea world. You felt quite lonely in this dream... That is, until you encountered strange vines on the very bottom. Following them, soon enough you found a young figure of a trainer, who was surrounded by these vines. Your eyes met... and oh Arceus, she is in deep misery... looking at you like that...