ES Idol Song Season 1: RYUSEITAI

'Ensemble Stars!! idol song season1 RYUSEITAI' is a single released by RYUSEITAI. It includes one new unit song featured in the Transform! The Comet Show Connecting the Stars event and a RYUSEITAI arrangement of BRAND NEW STARS!!.

Track Listing
- Lyrics: Saori Codama (こだま さおり) - Composition/Arrangement: Yusuke Kato (加藤裕介) - Lyrics: Saori Codama (こだま さおり) - Composition: Satoru Kuwabara (桑原 聖) - Arte Refact - Arrangement: Masatomi Waki (脇 眞富) - Arte Refact
 * 1) Suisei HALATION (彗星HALATION) [[File:彗星HALATION Sample.ogg]]
 * 1) BRAND NEW STARS!! (RYUSEITAI ver.) [[File:BRAND NEW STARS!! (RYUSEITAI Ver.) Sample.ogg]]
 * 1) 彗星HALATION (Instrumental)