Guso Drop

 (偶想Drop) was an idol group formed in 2014 and disbanded on October 10, 2017. On October 17, 2017 it was announced that some of the former members of the group would be forming a new group called BURST GIRL.

Final Line-up

 * Yura (結良; ) (Original Member)
 * Rei (零; ) (Original Member)
 * Anna (杏奈; ) (Original Member)
 * Rin (凛; ) (Joined November 2, 2016)
 * Miyako (都子; ) (Joined November 2, 2016)
 * Waka (若; ) (Joined November 2, 2016)

Members who left prior to disbandment

 * Shion (紫音; ) (Left March 2016)
 * Saki (咲; ) (Joined September 20, 2014; Graduated December 31, 2016)

Albums

 * 1) [2015.04.22] Meshi no Tane (飯ノ種)

Mini Albums

 * 1) [2017.05.17] Painfully violent

Singles

 * 1) [2015.12.23] Bousou Shoujo (暴走少女)
 * 2) [2016.06.08] Mushi (夢四)
 * 3) [2016.11.23] Guuzou (偶神)

Analog Records

 * 1) [2016.11.03] Hirari hira hira / I do! I do!