User blog comment:Williukea/Aikatsu Stars x Harry Potter - Hogwarts Houses analysis/@comment-26426093-20171203023004

While I agree with most of these choices, I would have to say that Tsubasa is more fitted to be in Raven claw rather than Slytherin.

Ravenclaws are smart and reliable, Slytherins are sly and crafty, and Tsubasa fits the former's description more than the latter does.