Tolong jelaskan mengenai "Ruby" dari So Long!

Dibawakan oleh Tim A Shinoda

(Posisi sentral: Mayu Watanabe, Rina Kawaei)

Tim A Shinoda: Rina Izuta, Anna Iriyama, Karen Iwata, Ryoka Oshima, Tomomi Kasai, Rina Kawaei, Ayaka Kikuchi, Marina Kobayashi, Sumire Sato, Mariko Shinoda, Juri Takahashi, Minami Takahashi, Yuuka Tano, Tomomi Nakatsuka, Shiori Nakamata, Moeno Nito, Sakiko Matsui, Ayaka Morikawa, Mayu Watanabe

AKB48 Tim A/NMB48 Tim N: Riho Kotani, Yui Yokoyama