Stapla Kenshuusei

 (スタプラ研究生) is a female trainee group under STARDUST PLANET, a division of STARDUST PROMOTION.

The first trainee auditions started in 2019 but the group only became publicly active from 2022.

They made their stage debut on April 23, 2022 as back-up dancers for TEAM SHACHI.

Current Trainees

 * Yasui Mizuki (安井泉妃)
 * Chihama Moana (千浜もあな)
 * Kurosaka Miu (黒坂美羽)
 * Shiraishi Ruri (白石るり)
 * Takatsuki Riri (高月凛々)
 * Shimada Rinna (嶋田莉奈)
 * Miyazawa Yuu (宮沢友)
 * Watanabe Yuu (渡辺ゆう)
 * Sakai Koharu (坂井小春) (Joined in December 2022)
 * Nishimura Miumi (西村美海) (Joined in December 2022; Hiatus from June 4, 2023 until end August 2023)
 * Shirahama Aya (白浜あや) (Joined on April 22, 2023)
 * Aoyama Nanoha (青山菜花) (Joined on April 22, 2023)

Former Trainees

 * Sakurai Emma (桜井えま) (Joined Shiritsu Ebisu Chuugaku on October 1, 2022; Officially Promoted on December 16, 2022)
 * Terashima Yuna (寺島由渚) (Withdrew on June 4, 2023)

Digital Singles

 * 1) [2023.04.10] Oikaze to Story / Saikou Wonderful Time (追い風とストーリー / 最高WonderfulTime)