Circle Crusher

 (サークルクラッシャー), briefly known as MAD PARTY, is an idol group formed in March 2020.

In February 2021, it was announced that the unit known as Circle Crusher would be on hiatus and the members would continue to operate under the name MAD PARTY. They disbanded in May 2021.

In June 2021, the group revealed new members, including one member from the final lineup of MAD PARTY, and changed their name back to Circle Crusher. The second generation had their stage debut on June 26, 2021.

Current Members

 * Mattaku Gyaku de Yume Riron (全く逆でゆめ理論)
 * Ranran Sekai.com (らんらん世界.com) (Joined June 6, 2021)
 * Emma Raja (閻魔羅闍) (Joined June 6, 2021)
 * Kyougetsu Luna (鏡月るな) (Joined June 6, 2021)
 * Domestic Miyawo (ドメスティック・ミャヲ) (Joined June 6, 2021)

Former Members

 * Fukuro Momonga (囊桃ン蛾) (Withdrew December 3, 2020)
 * Uota Wota (魚田うぉた) (Withdrew February 17, 2021)
 * Tsukumo Riru (慿曇りる) (Graduated May 2021)

Digital Singles

 * 1) [2020.05.15] Toumei Ningen (透明人間; Invisible Person)
 * 2) [2020.05.15] Circle Crusher desu. (サークルクラッシャーです. ; We Are Circle Crusher)
 * 3) [2020.09.23] Ashita ni Nattara (明日になったら; When Tomorrow Comes)
 * 4) [2020.12.11] Twilight (トワイライト)
 * 5) [2020.12.17] Sailor Slater (セーラースレイター)
 * 6) [2021.06.07] Itsu Made Tatte mo (いつまで経っても; No Matter How Long Time Passes)