Note: If you played the demo that released in June, then you will be able to carry over the data from that into the final game. You will receive a prompt as soon as you reach the title screen, but if you forgo that, you see the option to carry over the data at the bottom of the title screen whenever you wish.
Before diving into the main game, let's take a moment to reflect on the structure of the guide a little bit. Due to how the game is set up, it's possible to start from one of eight different spots. This is because the game has you choosing from one of eight different characters at the beginning of the game. Once you complete that character's first bit of story, you will be able to explore the game's world and recruit the others. What character you start with doesn't really matter in the long run, but each one has a Path Action that is basically an ability you can use on NPCs, so you'll need to make a decision as to which action you want from the beginning.
These Path Actions are split into two categories, Rogue and Noble. Using this little bit of knowledge, you can narrow the Path Actions down into four sets of two each, essentially. As an example, Tressa is a merchant and can use Purchase to buy items off of NPCs, while Therion has Steal to pilfer items off of NPCs. While these both are about getting items from NPCs, one requires you to use money (Noble) and the other is stealing (Rogue). They are similar, but have enough of a difference to make them a bit unique. There are also some instances where you won't be able to use one of the actions, while the other is available.
Note: To make writing the guide a little easier, it will be starting with Cyrus, the Scholar.
Important: Whoever you choose as your first character is locked into your party until you completely finish their story. For example, if you chose Cyrus, then you will not be able to switch out Cyrus until you completely finish his story.