Talk:Episode 51 - Perfect Idol Elza/@comment-25446207-20170408092814/@comment-30379300-20170408122438

Because Elza also is a student at Venus Ark, which now in third year middle school same as Rey, so naturally Elza also have student id as well and I think Aikatsu system in AiStars only work with student id unlike in original series, it's still work even without student id, so I think that's why Elza use student id as well.