This game could've been so good if it hadn't fucked up. It's the antithesis of a linear plot and self-insert. After the prologue ends, the game also ends here. Basically, you're free to explore the world without a specific goal or linear structure. You may choose to search for all the characters on the map (though it's not mandatory), and in various locations around the world, there are quests related to each character. However, you can only unlock these quests at specific levels, requiring you to teleport or travel between places, and grinding. In summary, you lose the continuity and rhythm of one story to start another with no connection. In other words, the cast of characters in the game's thumbnail is basically a lie, as they practically don't even know each other well, or there is very little natural interaction.

I've now entered a story where the characters knew each other but actually there weren't any dialogues between them so I was like wtf. Not only that, but after recruiting all characters, they become part of your party. Yet, when you start any story, they all disappear in cutscenes, leaving only the protagonist of that particular story. Additionally, characters from the story's protagonist you're playing appear and have story-wise fights, but you don't play with them. Instead, you play with 'filler' characters (the protagonists of other regions, the other travelers)
It's a shame because it has very interesting characters and the game itself is very beautiful

so yeah the game is good but for having such asshole abyss fiction structure, it made the game ass