Tolong jelaskan mengenai Seishun wa Hazukashii dari 1! 2! 3! 4! Yoroshiku!

(Front member'' ditulis dengan huruf tebal)

Tim S: Rumi Kato, Yuria Kizaki, Yukiko Kinoshita, Akari Suda, Shiori Takada, Aki Deguchi, Rena Matsui, Kumi Yagami

Tim KII: Shiori Iguchi, Shiori Ogiso, Momona Kito, Seira Sato, Airi Furukawa, Manatsu Mukaida

Kenkyusei: Mai Imade, Kasumi Ueno, Madoka Umemoto, Shiori Kaneko, Kanon Kimoto, Emiri Kobayashi, Yumana Takagi, Mai Takeuchi, Marin Nonoyama, Sawako Hata, Minami Hara, Kaori Matsumura, Haruka Mano, Miki Yagata, Yukari Yamashita