Higeki no Heroine Syndrome

 or Higeki no Heroine Shoukougun (悲撃のヒロイン症候群) was a seven-member Japanese idol group originally formed with five members in December 2018.

They held their debut performance on February 19, 2019 @Shinjuku BLAZE.

They were a part of the combined group HEROINES.

On April 23, 2021, it was announced that the group would be disbanding on the same day.

Members

 * Shirayuki Himeno (白雪姫乃; ) (Founding Member; Currently in twinpale and GILTYxGILTY)
 * Aoi Kanau (蒼井叶; ) (Founding Member; Currently in twinpale and GILTYxGILTY)
 * Yayoi Yamu (夜宵やむ; ) (Founding Member; Currently in AdamLilith)
 * Kurumi Toa (胡桃兎愛; ) (Founding Member; Currently in GAGAPIERO)
 * Noichigo Mikuru (野苺みくる; ) (Founding Member; Currently in Monoclone)
 * Kagono Mea (籠乃めあ; ) (Joined March 10, 2019)
 * Tsukumo Miko (月雲巫女; ) (Joined October 7, 2019)

Active

 * Ponkotsu Konpo
 * iLiFE!
 * TENRIN
 * Yakousei Amuse
 * BLK LiLiY
 * Non¬Fiction

Disbanded

 * MOBIUS
 * Mouai Gravity
 * nue

HEROINES

 * 1) [2020.01.14] Ubiquity ~Konosaki mo Issho ni Ayunde Ikou ne~ (ユビキリ～この先も一緒に歩んで行こうね～; Ubiquity ~Let's Walk Together in the Future~)

Singles

 * 1) [2019.08.06] Silent Cry / REVENGER (サイレントクライ / REVENGER)

Video Releases

 * 1) [2019.12.18] mercy killing

Trivia

 * All of the members run YouTube channels with another member with the exception of Ichigo Mikuru, who runs AzuMiku Channel (あずみくちゃんねる) with Onodera Azusa of Masshiro na Canvas.
 * Kurumi Toa and Tsukumo Miko run Tsuki Usa Channel (つきうさチャンネル).
 * Yayoi Yamu and Kagono Mea run Nightmea Union (夜めあ連合).
 * Shirayuki Himeno and Kanau Aoi ran Kanau and Himeno (叶と姫乃), which later became twinpale's official channel.