What can't be seen when it's bright out, but can be seen when it's nighttime?

THE IDOLM@STER CINDERELLA GIRLS U149 · Episode 12 · “What can't be seen when it's bright out, but can be seen when it's nighttime?”

The U149 in the title refers to the aspiring idols at the center of it all: These small girls are ready to make it big! All under 149 centimeters tall, this group of aspiring pop idols dream of performing for thousands of people. But with zero experience, they’ve got a lot of work to do. Not to...