Tolong jelaskan mengenai Anggota pendukung dari Team A 1st Stage "Party ga Hajimaru yo"

Yuki Azuma, Yuumi Ishida, Narumi Koga, Rena Shimada, Eriko Jo, Yui Takano, Airi Tanigawa, Rurina Nishizawa, Momoka Hayashi, Runa Fujita, Mao Mita, Ayaka Murakami, Sae Murase, Fuuko Yagura, Hitomi Yamamoto, Keira Yogi