Houpriyusu

 is a trainee unit of Houkago Princess. The members here are candidates and apprentices and are working on training so that they may eventually debut with the group one day.

Candidate members perform more regularly with the group and sometimes have a spot in one of the singles. The apprentice members perform mainly as backup dancers.

They were created on February 18, 2015.

Current Members

 * Kawanishi Touka (川西冬華) (Joined August 26, 2017)
 * Kansai Erina (閑歳絵里菜) (Joined August 26, 2017)
 * Kirisawa Ririsa (桐澤怜々紗) (Joined August 26, 2017)
 * Kusunoki Rea (楠木れあ) (Joined August 26, 2017)
 * Kohinata Nanase (小日向ななせ) (Joined August 26, 2017)
 * Sawada Momoka (澤田桃佳) (Joined August 26, 2017)
 * Shirakawa Ai (白川愛) (Joined August 26, 2017)
 * Suzuki Ai (鈴木亜依) (Joined August 26, 2017)
 * Takano Hiyori (高野日和) (Joined August 26, 2017)
 * Takamiya Yuri (高宮悠里) (Joined August 26, 2017)
 * Nakano Yui (中野唯) (Joined August 26, 2017)
 * Hanamura Nami (花村なみ) (Joined August 26, 2017)
 * Masuda Hana (増田花) (Joined August 26, 2017)
 * Michishige Rio (道重利緒) (Joined August 26, 2017)
 * Yamamoto Natsumi (山本夏望) (Joined August 26, 2017)
 * Yukino Yuria (雪乃ゆりあ) (Joined August 26, 2017)
 * Yuzuki Nene (結月ねね) (Joined August 26, 2017)

Former Members

 * Haruno Akane (Joined April 11, 2015, Withdrew July 6, 2015) (Apprentice)
 * Kamiya Airi (Joined March 7, 2015, Graduated March 20, 2016) (Apprentice)
 * Izumi Sakura (Joined June 9, 2015, Graduated March 20, 2016) (Apprentice)
 * Makihara Yuyu (Joined March 1, 2016, Graduated May 1, 2016) (Apprentice)
 * Nagasawa Marina (Promoted to Houkago Princess)
 * Sekine Sasara (Promoted to Houkago Princess)
 * Kojima Mayumi (Promoted to Houkago Princess)
 * Morishita Rina
 * Ota Nozomi
 * Horii Nina (Withdrew June 3, 2017)
 * Tanaka Asami (Withdrew June 3, 2017)