Aikatsu Stars! episode 31

It aired on Thursday, 10 November 2016.

Fly, SKY-GIRL!

Four Star Academy announces that they will be holding an Autumn festival. The event's theme is "A unit of three", which is said to help form a unit, even if the members are in different classes or are different ages. After hearing this announcement, Mahiru Kasumi, a first year student in the Moon Beauty Class decides to aim high. In response to Mahiru, Tsubasa Kisaragi from S4 gives her a suggestion.