Star☆T

 is an idol group based in Toyota, Aichi. They made their live debut in December 2011. They are split into Team Lua and Team Sol, and were formerly split into teams Orion, Sirius, and Venus with the research student team Lesson Hoshi.

Team sol

 * Ise Mion (伊勢実恩; ) - sol Leader (Joined July 2017)
 * Kondo Miki (近藤実希; ) - sol Sub-Leader (Joined July 2017)
 * Saito Hikaru (斉藤暉; ) (Joined June 2016)
 * Okada Ayuka (岡田歩佳; ) (Joined November 2018)
 * Ishida Narumi (石田成美; ) (Joined October 2021)
 * Miyu (みゆ; ) (Joined October 2021)
 * Riko (りこ; ) (Joined August 2022)
 * Meisa (めいさ; ) (Joined August 2022)
 * Shiori (しおり; ) (Joined August 2022)

Team lua

 * Wakuda Akari (和久田朱里; ) - Group Leader (Joined May 2012)
 * Aratake Ayane (荒武彩音; ) luna Leader (Joined June 2016)
 * Ruka (瑠果; ) luna Sub-Leader (Joined July 2017)
 * Sato Runa (佐藤瑠那; ) (Joined June 2016)
 * Yua (優愛; ) (Joined June 2020)
 * Komatsu Nana (小松奈々; ) (Joined August 2022)
 * Nishida Yui (西田ゆい; ) (Joined August 2022)
 * Shojizono Yuna (正司園優奈; ) (Joined August 2022)

Hiatus (No Team)

 * Kazuki (和希; ) (Joined June 2020, on hiatus since May 30, 2022)

Former Members

 * Rio (Original Member, Resigned May 2012)
 * Lucy (ルーシー) (Original Member, Resigned June 2012)
 * Ogawa Yuri (小川結莉) (Joined May 2012, Resigned March 2013)
 * Kataoka Moe (片岡萌) (Original Member, Resigned March 24, 2013)
 * Ikko (いっこ) (Original Member, Resigned April 14, 2013)
 * Kato Mizuki (加藤瑞希) (Joined May 2012, Resigned April 14. 2013)
 * Yamamoto Ayaka (山本綾香) (Joined May 2013, Left May 2013)
 * Kamiyama Rikuna (神山りくな) (Joined May 2013, Left November 2013)
 * Satozono Yuki (里園侑希) - Leader (Original Member, Resigned January 18, 2014)
 * Yokoyama Nanae (横山七重) (Original Member, Resigned March 30, 2014)
 * Takebata Kasumi (竹端花澄) (Original Member, Resigned March 30, 2014)
 * Isomura Asumi (磯村明日美) (Original Member, Resigned March 31, 2015)
 * Aikawa Mayune (相川舞音) (Joined May 2013, Resigned March 31, 2015)
 * Morimoto Nagisa (森本凪彩) (Original Member, Resigned April 10, 2016)
 * Hayashi Miyuu (林美憂) (Joined May 2012, Resigned April 10, 2016)
 * Senga Rina (千賀璃奈) (Joined May 2012, Resigned April 10, 2016)
 * Ando Emi (安藤笑) (Original Member, Resigned July 30, 2016)
 * Hashimoto Anna (橋本杏奈) (Original Member, Resigned August 27, 2016)
 * Hashimoto Yuna (橋本優奈) (Original Member, Resigned May 28, 2017)
 * Hashimoto Kana (橋本佳那) (Original Member, Resigned May 28, 2017)
 * Chisato (ちさと) (Joined May 2012, Resigned May 28, 2017)
 * Nakano Ayami (中野采美) (Joined July 2014, Resigned May 28, 2017)
 * Kido Reona (木戸怜緒奈) (Joined May 2013, Resigned November 2015, Returned December 2016 until August 5, 2017)
 * Yamashita Ren (山下恋) (Joined June 2016, Resigned November 10, 2017)
 * Sato Kanon (佐藤花音; ) (Joined June 2016, Resigned September 23, 2018)
 * Matsuzaki Yuna (松崎夢七; ) (Joined June 2016, Resigned September 23, 2018
 * Ito Fuka (伊藤楓花; ) (Joined June 2016, Resigned February 8, 2019)
 * Kamito Ai (上戸愛; ) (Joined July 2017, Resigned September 6, 2019)
 * Hayama Nene (葉山寧々; ) (Joined November 2018, Resigned December 23, 2019)
 * Shimasaki Yuria (嶋﨑友莉亜; ) - lua Leader (Joined July 2014, Resigned October 3, 2020)
 * Hagino Hinako (萩野陽向子; ) (Joined July 2014, Graduated February 28, 2021)
 * Makino Nagisa (牧野凪紗; ) - sol Leader (Joined May 2013, Graduated June 20, 2021)
 * misola (Joined July 2014, Graduated August 9, 2021)
 * Asasora Shizuku (朝空詩珠紅; ) (Joined July 2014, Graduated October 17, 2021)
 * Chinari (一愛; ) - lua Sub-Leader (Joined June 2016, Graduated November 6, 2022)
 * Arisu (愛姫; ) (Joined October 2021, Graduated November 6, 2022)

Albums

 * [2018.02.14] Mellow (メロウ)
 * [2021.12.15] 2021

Singles

 * [2012.02.12] Kono Machi ni Umaretakara (この街に生まれたから)
 * [2012.08.15] Dong! Dong!
 * [2013.02.10] Kawaru Mono, Kawaranai Mono (変わるもの、変わらないもの)
 * [2013.08.03] Swinging Star Forever
 * [2014.04.16] Hybrid Girl (ハイブリッドガール)
 * [2015.01.21] Monochrome Days (モノクロームデイズ)
 * [2017.03.08] Congratulation ~Kibou no Kane no Oto~ (コングラチュレーション~希望の鐘の音~)
 * [2019.02.13] Gotouchi Song (ご当地ソング)
 * [2020.04.01] Woman