is the fourth studio album by Japanese idol girl group AKB48.
The album was released on January 21, 2015 under King Records in Japan, in several editions: Theater, Type A, and Type B. The Theater edition is only sold at the AKB48 theater. The Type A and Type B editions include 2 CDs, and a limited edition of Type A includes a bonus DVD.
All songs performed by AKB48 except as noted.
Source:
Note: This album included the couplings from Kibouteki Refrain.
Team A: Miyabi Ino, Manami Ichikawa, Anna Iriyama, Karen Iwata, Rina Kawaei, Natsuki Kojima, Haruna Kojima, Haruka Shimazaki, Minami Takahashi, Kayoko Takita, Makiho Tatsuya, Megu Taniguchi, Chisato Nakata, Chiyori Nakanishi, Mariko Nakamura, Rena Nishiyama, Nana Fujita, Nao Furuhata, Ami Maeda, Sakiko Matsui, Sakura Miyawaki, Tomu Muto, Ayaka Morikawa, Fuuko Yagura
Team K: Moe Aigasa, Maria Abe, Haruka Ishida, Misaki Iwasa, Mayumi Uchida, Rie Kitahara, Mako Kojima, Haruka Kodama, Kana Kobayashi, Moe Goto, Haruka Shimada, Hinana Shimoguchi, Shihori Suzuki, Mariya Suzuki, Yuka Tano, Mariya Nagao, Jurina Matsui, Miho Miyazaki, Sayaka Yamamoto, Ami Yumoto, Yui Yokoyama
Team B: Rina Ikoma, Rina Izuta, Natsuki Uchiyama, Ayano Umeta, Ryoka Oshima, Shizuka à Âya, Nana Owada, Mayu Ogasawara, Yuki Kashiwagi, Saya Kawamoto, Asuka Kuramochi, Aki Takajo, Juri Takahashi, Miyu Takeuchi, Miku Tanabe, Mio Tomonaga, Wakana Natori, Rena Nozawa, Hikari Hashimoto, Rina Hirata, Seina Fukuoka, Aeri Yokoshima, Mayu Watanabe
Team 4: Saho Iwatate, Rio Okawa, Miyu Omori, Ayaka Okada, Nana Okada, Rena Kato, Yuria Kizaki, Saki Kitazawa, Riho Kotani, Marina Kobayashi, Haruka Komiyama, Yukari Sasaki, Kiara Sato, Ayana Shinozaki, Nagisa Shibuya, Yurina Takashima, Mizuki Tsuchiyasu, Miki Nishino, Mitsuki Maeda, Minami Minegishi, Mion Mukaichi, Yuiri Murayama, Shinobu Mogi
AKB48 Team Surprise
King Records