Title: Unknown

Release date: 21/5/2014

Label: KING RECORDS

Senbatsu:

AKB48:
Team A: Iriyama Anna, Kawaei Rina, Takahashi Juri, Takahashi Minami, Yokoyama Yui, Watanabe Mayu,
Team K: Kitahara Rie
Team B: Kashiwagi Yuki, Kato Rena, Shimazaki Haruka, Kojima Haruna, Oba Mina (SKE48 Team KII kennin), Ichikawa Miori (NMB48 Team N kennin)
Team 4: Minegishi Minami, Okada Nana, Kojima Mako, Nishino Miki,
Kenkyuusei: Owada Nana

SKE48:
Team S: Kizaki Yuria, Matsui Jurina,
Team KII: Suda Akari
Team E: Matsui Rena, Kimoto Kanon, Furuhata Nao
Kenkyuusei: Kitagawa Ryoha

NMB48:
Team N: Yamamoto Sayaka, Watanabe Miyuki
Team M: Yagura Fuuko,
Team BII: Yabushita Shu
Kenkyuusei: Shibuya Nagisa

HKT48:
Sashihara Rino, Tashima Meru, Tomonaga Mio, Miyawaki Sakura, Kodama Haruka, Ota Aika