Stapla Kenshuusei

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

They made their stage debut on October 23, 2022.

1st Generation

 * 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)
 * Terashima Yuna (寺島由渚)
 * Takatsuki Riri (高月凛々)
 * Shimada Rinna (嶋田莉奈)
 * Miyazawa Yuu (宮沢友)
 * Watanabe Yuu (渡辺ゆう)

2nd Generation

 * Sakai Koharu (坂井 小春) (Joined on December 5, 2022)
 * Nishimura Miumi (西村美海) (Joined on December 7, 2022)

1st Generation

 * Sakurai Emma (桜井えま) (Joined Shiritsu Ebisu Chuugaku on October 1, 2022; Officially Promoted on December 16, 2022)