So You Want to Be a Superstar
Usagi Learns Her Lesson: Becoming a Star Is Hard Work
Usagi hansei! Suta no michi wa kibishii
"Usagi and Naru both dream of becoming a famous star like Mikan Shiratori, a graduate from their school. When the girls hear that Mikan is hosting a talent contest, they see their chance to achieve stardom." (source)