Tolong jelaskan mengenai "Hashire! Penguin" dari Ue kara Mariko

Tim 4: Maria Abe, Miori Ichikawa, Anna Iriyama, Haruka Shimazaki, Haruka Shimada, Miyu Takeuchi, Mariya Nagao, Shiori Nakamata, Mariko Nakamura, Suzuran Yamauchi