Aikatsu!

Season 1, Episode 10

Episode Title: The Rainbow Maiden

Air Date: 2012-12-10

Overview:

On their way to school, the girl's meet the peculiar Otome Arisugawa, who fell into the school fountain trying to catch a rainbow. Meanwhile, a tournament is held for one of three places in a special Christmas event, with Ichigo to face Otome in the first round.