I was wondering if in the game are there any special days that Wayfarers celebrate in the game? That would be really interesting! Also if the magiani Aeda doesn't have wings, doesn't their crest expose the MC is magiani in the Palace? (SORRY IF I DON'T TYPE IT CORRECTLY LOL)

Being half-aeda doesn't necessarily mean that you're magiani. There can be half-aeda who have magic; this just isn't the case for the Wayfarer and the Aosian interpreter.