the new fe3h house leader looks a little familiar
You could have the other vocaloids be the rest of the house+ then recruit from the other 3.
We don't have a mage house leader, so that could be fun
almost exactly my plan!
miku is definitely a mage with possible proficiency in swords, and the rest of her house was going to be the other main 5 cryptonloids + gumi + gakupo