After reaching chapter 9 in the game, the Missing: Mr. Birdie quest becomes available in North Corel - Lookout. You can obtain it through the Community board there, which will lead you to some kids ...

The first half, the half of Corel closer to Costa del Sol, unlocks as soon as you leave that city. The half with North Corel and the Gold Saucer isn't explorable until Chapter 9. Here's the thing: two ...