1x75 - Pokémon Horizons

On their second visit to Terasu Pool, Liko and the others meet Rystal, who tells them about the adventures of the former Explorers. How did this trio that once journeyed towards the paradise Rakua meet, and what did they see when they arrived there? The details surrounding an unknown adventure that took place a hundred years ago will now transcend vast time and finally be revealed!!