Kaishin no Ichigeki

 (会心ノ一撃) is a four-member Japanese idol group.

The group originally debuted in December 23, 2016, as the name 「TWICE」. On May 7, 2017, they re-debuted as Kaishin no Ichigeki, but in 2019 they rebranded to Squall (スコール). As of February 8, 2020 they reverted back to the name Kaishin no Ichigeki.

Current Members

 * Matsuyuki Iris (待雪アイリ; ) (Founding member; graduated September 2019; returned February 8, 2020)
 * Todoroki Meru (轟姫める; ) (Joined February 8, 2020)
 * Mikku (みっく; ) (Joined November 2020)
 * Seto Nanoka (瀬戸菜乃花; ) (Joined August 2022)

Former Members

 * Kurobane Yuri (黒羽ユリ) (Joined February 14, 2017, Dismissed March 25, 2017)
 * Miyagi Miyamo (宮城みやも) (Founding member, Graduated September 22, 2019)
 * Ayagami Rino (操神莉乃) (Joined October 28, 2017, Withdrew September 22, 2019)
 * Oruha (織羽) (Joined February 8, 2020; Fired February 26, 2020)
 * Akano Ito (緋乃愛) (Founding member, Withdrew March 10, 2020)
 * Lulu Komachiko (流々小町子) (Joined December 2020; Graduated January 8, 2023)

Album

 * 1) [2019.07.13] diary

Mini Album

 * 1) [2017.08.05] illumination
 * 2) [2017.10.28] colorless
 * 3) [2018.05.07] Яe:verb
 * 4) [2018.05.07] balloon
 * 5) [2018.12.30] Яe:verb