HOTARU

 (蛍) is currently a five-member Japanese idol group originally formed with six members in December 2021.

They made their stage debut on December 16, 2021 @aube shibuya.

Current Members

 * Takehara Ririko (竹原りりこ; ) (Founding member)
 * Hishiro Narumi (日代成美; ) (Founding member)
 * Oriyama Sayuko (織山さゆこ; ) (Founding member)
 * Uzuki Kanon (羽月かのん; ) (Founding member)
 * Tachibana Hiiro (橘陽色; ) (Joined November 11, 2022)

Former Members

 * Kanzaki Reona (神崎れおな; ) (Founding member; Graduated September 15, 2022 )
 * Kitano Arisa (北野愛梨沙; ) (Founding member; Left June 18, 2023)
 * Hirose Rico (廣瀬りこ; ) (Joined November 11, 2022; Left September 17, 2023)

Digital Albums

 * 1) [2023.06.08] HOTARUDAY (蛍日)

Singles

 * 1) [2022.07.24] Sickickdays / Iluminar (Sickickdays/イルミナル)