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

The seiyuu participants were Miyake Marie, Amano Satomi, Morishita Rana, and Chisuga Haruka.

The Starlight Master 28 Dekoboko Speed Star CD went on sale 5/1.

Cinderella Master 052 "Tani no Soko de Saku Hana ha" (went on sale 5/15) was the character song for Shiragiku Hotaru. This was the first time the Satomi recorded a song.

The May ending song for the TV anime Cinderella Girls Gekijou "Max Beat" goes on sale 5/22.

In the "Countdown Station" video, the seiyuu was Hanamori Yumiri.

Yumiri played "Dekoboko Speed Star" in master mode. She kept dying right away, but she used stones to recover and went all the way to the end.