Junjō U-19

"Junjō U-19"
"Junjō U-19"
Single by NMB48
from the album Teppen Tottande!
B-side	"Baatari Go!"; "Doryoku no Shizuku" (Type-A); "Migi e Magare!" (Type-B); "Ren'ai no Speed" (Type-C); "Jungle Gym" (Theater Edition);
Released	January 25, 2012
Label	laugh out loud! records
Songwriter(s)	Yasushi Akimoto
Producer(s)	Yasushi Akimoto
NMB48 singles chronology

"Junjō U-19" (純情U-19, "Innocence Under 19") is Japanese idol group NMB48's third single. It was released on January 25, 2012. This is the first single to feature members from Team M which was formed on January 26, 2012. The single was released in four editions: Type-A, Type B, Type-C and a Theater edition, all of which contains different B-sides. Upon its release "Junjō U-19" topped the Oricon weekly chart and Billboard Japan Hot 100.

Live performances

The group first performed the song during the Hey! Hey! Hey! 2011 Christmas special which aired on December 19.^[1]

Members

On December 18, 2011, the senbatsu (選抜, "selection") members were revealed.^[2]

"Junjou U-19"

Team N: Mayu Ogasawara, Kanako Kadowaki, Rika Kishino, Haruna Kinoshita, Riho Kotani, Rina Kondo, Kei Jonishi, Miru Shiroma, Aina Fukumoto, Nana Yamada, Sayaka Yamamoto, Miyuki Watanabe
Team M: Momoka Kinoshita, Eriko Jo, Fuuko Yagura, Keira Yogi

"Baatari Go!"

Performed by Undergirls

Team N: Kanna Shinohara, Yuuki Yamaguchi
Team M: Riona Ota, Rena Kawakami, Yuuka Kodokari, Yui Takano, Airi Tanigawa, Ayame Hikawa, Runa Fujita, Mao Mita, Ayaka Kurakami, Sae Murase, Natsumi Yamagishi
Kenkyuusei: Yuki Azuma, Yuumi Ishida, Mizuki Uno, Risako Okada, Ayaka Okita, Narumi Koga, Arisa Koyanagi, Sorai Sato, Hiromi Nakagawa, Rurina Nishizawa, Momoka Hayashi, Mizuki Hara, Hitomi Yamamoto

"Doryoku no Shizuku"

Performed by Shirogumi

Team N: Mayu Ogasawara, Kanako Kadowaki, Rika Kishino, Haruna Kinoshita, Kanna Shinohara, Nana Yamada, Sayaka Yamamoto
Team M: Yuuka Kodakari, Eriko Jo, Natsumi Yamagishi, Keira Yogi
Kenkyuusei: Ayaka Okita

"Migi e Magare!"

Akagumi

Team N: Riho Kotani, Rina Kondo, Kei Jonishi, Miru Shiroma, Aina Fukumoto, Yuuki Yamaguchi, Miyuki Watanabe
Team M: Momoka Kinoshita, Airi Tanigawa, Ayame Hikawa, Ayaka Murakami, Fuuko Yagura

"Renai no Speed"

NMB Seven

Team N: Mayu Ogasawara, Kei Jonishi, Aina Fukumoto, Nana Yamada, Sayaka Yamamoto, Miyuki Watanabe
Kenkyuusei: Eriko Jo

"Jungle Gym"

Team N: Sayaka Yamamoto

Charts and certifications

Weekly charts

Chart (2012)	Peak position
Japan (Billboard Japan Hot 100)^[3]	1
Japan (Oricon)^[4]	1
Japan (RIAJ Digital Track Chart)^[5]	32

References

^ "【エンタがビタミン♪】「鉄のパンツにびっくり！」NMB48の新曲"純情U-19"の歌詞にメンバー自身も驚き隠せず。". Techinsight. 20 December 2011. Retrieved 10 December 2012.
^ "NMB48、3rdシングルのタイトルは「純情U-19」". Natalie.mu. Retrieved 10 December 2012.
^ "Japan Billboard Hot 100" (in Japanese). Billboard Japan. Retrieved 10 December 2012.
^ "【オリコン】女性歌手初！NMB48がデビューから3作連続首位～沢尻エリカらの記録更新". Oricon. Retrieved 10 December 2012.
^ "レコード協会調べ 2012年02月15日～2012年02月21日＜略称：レコ協チャート（「着うたフル(R)」）＞". RIAJ Digital Track Chart. Archived from the original on 12 June 2012. Retrieved 10 December 2012.

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[1] "【エンタがビタミン♪】「鉄のパンツにびっくり！」NMB48の新曲"純情U-19"の歌詞にメンバー自身も驚き隠せず。". Techinsight. 20 December 2011. Retrieved 10 December 2012.

[2] "NMB48、3rdシングルのタイトルは「純情U-19」". Natalie.mu. Retrieved 10 December 2012.

[3] "Japan Billboard Hot 100" (in Japanese). Billboard Japan. Retrieved 10 December 2012.

[4] "【オリコン】女性歌手初！NMB48がデビューから3作連続首位～沢尻エリカらの記録更新". Oricon. Retrieved 10 December 2012.

[5] "レコード協会調べ 2012年02月15日～2012年02月21日＜略称：レコ協チャート（「着うたフル(R)」）＞". RIAJ Digital Track Chart. Archived from the original on 12 June 2012. Retrieved 10 December 2012.

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