Gochast

 (ごちゃすと) was an EDM idol group. They debuted in December 2016 as SoulMate and changed the stylization of their name to SOUL MATE in September 2017.

On April 7, 2018, the group re-debuted as Gochast with Chirin's return and changed the stylization of the members' names. The name was an abbreviation of Gochagocha Street (ごちゃごちゃストリート). They disbanded on July 31, 2019.

Koharu and Kasumin went on to join Garakuta! Ponkotsu?.

Chirin went on to join Sengoku Animal Gokuraku Joudo.

Final Line-up

 * CHIRIN (ちーりん; ) (Founding Member, left September 2017, returned April 2018)
 * Mako (まこ; ) (Joined May 2018)
 * Koharu (こはる; ) (Joined April 2019)
 * Kasumin (かすみん; ) (Joined April 2019)
 * Saotome Airu (早乙女あいる; ) (Joined April 2019)

Former Members

 * MIREI (Founding Member, graduated April 2017)
 * YUKI (Founding Member, graduated June 2017)
 * PARUKO (Joined October 2017, graduated March 2018)
 * MIKU (Founding Member, graduated April 2018)
 * RIRIKO (Founding Member, graduated April 2018)
 * Yuuka (ゆーか) (Joined April 2018, left June 2018)
 * Runa (るな) (Joined September 2018, left September 2018)
 * Tsukasa (つかさ; ) (Joined April 2018, graduated April 2019)
 * Honoka (ほのか; ) (Joined October 2017, graduated April 2019)
 * Mi-chan (みーちゃん; ) (Joined October 2017, graduated April 2019)