title Cinderella Girls Dere Sute Night x11 date/time 2017.05.31 21:00- (around one hour) broadcast niconico seiyuu Igarashi Hiromi (五十嵐裕美) Matsuzaki Rei (松嵜麗) Harada Sayaka Fukuhara Ayaka (福原綾香) video Iida Yuuko Fujita Akane (藤田茜)

This was a live niconico broadcast to commemorate the new CDs for Idolmaster Cinderella Girls.

The seiyuu participants were Igarashi Hiromi, Matsuzaki Rei, Harada Sayaka, and Fukuhara Ayaka.

Hiromi and Rei were both wearing similar outfits. They said that they didn't plan it, and they were very surprised themselves. So when they saw each other's outfits, they decided to do matching hair styles.

It was Rei's birthday, so they brought out a cake for her.

The Cinderella Girls CD Little Stars! Etude ha 1Kyoku dake went on sale 5/24, and Starlight Master 11 Ankira!? Kyousoukyoku went on sale 5/31.

During the broadcast, there was a video "Countdown Station" by Iida Yuuko and Fujita Akane. They played one game of "Aikurushii" together, but they died and had to use the jewel to recover, twice.