Princess wa Nemuranai!

 (プリンセスは眠らないっ！) is a Japanese girl group formed in April 2019. They suspended group activities in October 2021 but resumed in March 2022 with additional members.

Their concept is "Even ordinary girls can shine as princesses in the idol world."

Current Members

 * Hanasaki Ririka (花咲りりか; ) - Leader (Joined July 2021; Graduating September 16, 2023)
 * Narumi Airi (鳴海愛梨; ) (Joined January 2022)

Former Members

 * Ichikawa Rio (市川りお; ) (Joined November 2019; Graduated September 2020)
 * Takenami Iroha (武南彩葉; ) (Founding Member; Graduated November 2020)
 * Honda Mizuki (本多瑞稀) (Joined November 2020; Left March 2021; Trainee)
 * Sakai Honoka (酒井穂乃香; ) (Founding Member; Graduated June 2021)
 * Suzuki Aya (鈴木綾) (Joined November 2020; Graduated June 2021; Trainee)
 * Hoshino Yukari (星野友香利; ) (Joined August 2020; Graduated October 2021)
 * Iriyama Ai (入山愛; ) (Joined November 2020; Graduated October 2021)
 * Hino Hatsune (日野初音; ) (Joined January 2022; Left March 2022)
 * Fukase Tsumugi (深瀬つむぎ; ) (Joined January 2022; Left August 31, 2022)
 * Kiyomiya Momoko (清宮桃子; ) (Joined June 5, 2022; Left December 30, 2022)
 * Nakajima Yumeri (中島ゆめ; ) (Joined June 5, 2022; Left April 21, 2023)