Tolong jelaskan mengenai Cosmos no Kioku dari 1! 2! 3! 4! Yoroshiku!

(Front member ditulis dengan huruf tebal)

Tim S: Masana Oya, Haruka Ono, Kuwabara Mizuki, Yuka Nakanishi, Rikako Hirata, Kanako Hiramatsu, Jurina Matsui

Tim KII: Ririna Akaeda, Anna Ishida, Mikoto Uchiyama, Tomoko Kato, Makiko Saito, Mieko Sato, Akane Takayanagi, Rina Matsumoto, Reika Yamada, Tomoka Wakabayashi

Kenkyusei: Riho Abiru, Kyoka Isohara, Asana Inuzuka, Risako Goto, Ami Kobayashi, Mei Sakai, Aya Shibata, Rika Tsuzuki, Yuka Nakamura, Honoka Mizuno, Erika Yamada