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Biisan wa Naze Naku Naru no ka?

HKT4815thA

Regular Edition Type A
(UPCH-80575)

HKT4815thB

Regular Edition Type B
(UPCH-80576)

HKT4815thTheater

Theater Edition
(PRON-5098)

HKT4815thLimited

Limited Edition
(UPCH-89473)

HKT4815thSpecial

Special Edition

Released: June 22, 2022
Genre: J-Pop
Format: CD Single, CD+DVD
Label EMI Records/Universal Music Japan
Producer Akimoto Yasushi
Promotional Image
HKT48 15th Promo
HKT48 15th Single
HKT48 Singles Chronology
Previous:
Kimi to Doko ka e Ikitai
14th Single
(2021)
Next:
Kimi wa Motto Dekiru
16th Single
(2023)

Biisan wa Naze Naku Naru no ka? (ビーサンはなぜなくなるのか?) is the 15th single released by HKT48.

Single Tracklist Details[]

CD Tracklist[]

  1. Biisan wa Naze Naku Naru no ka? (ビーサンはなぜなくなるのか?) / Senbatsu
  2. Biisan wa Naze Nakunaru no ka? (off-vocal)
    • [Type A] Himawari no Suisaiga (off-vocal)
    • [Type B] Juubun, Shiawase (off-vocal)
    • [Limited/Theater] Kanashimi no Jouka Souchi (off-vocal)

DVD Tracklist[]

  1. Biisan wa NAze Naku Naru no Ka? Music Video
    • [Type A] Biisan wa Naze Naku Naru no ka? Music Video (Making-of)
    • [Type B] 6th Generation Audition Documentary Video (6期生オーディション ドキュメント映像)

Included Members[]

"Biisan wa Naze Naku Naru no ka?"[]

Senbatsu (選抜) (16 Members) (Yabuki Nako Center)

"Himawari no Suisaiga"[]

Undergirls (アンダーガールズ) (13 Members) (Fuchigami Mai Center)

"Juubun, Shiawase"[]

(14 Members) (Watanabe Akari Center)

"Kanashimi no Jouka Souchi"[]

(1 member)

Line-up[]

Row Line-up
3rd Row 11 12 13 14 15 16
2nd Row 6 7 8 9 10
1st Row 1 2 3 4 5
Number Member Number Member
16 Ichimura Airi 8 Matsuoka Hana
15 Sakai Moeka 7 Takemoto Kurumi
14 Matsuoka Natsumi 6 Watanabe Akari
13 Motomura Aoi 5 Jitoe Nene
12 Oda Ayaka 4 Unjo Hirona
11 Imamura Maria 3
(Center)
Yabuki Nako
10 Takeda Tomoka 2 Tanaka Miku
9 Ishibashi Ibuki 1 Toyonaga Aki

Trivia[]

Members Slideshow[]

HKT48
Members
Team H Aramaki Misaki | Ikuno Rina | Ishibashi Ibuki | Ichimura Airi | Ito Yueru | Kawahira Hijiri | Kitagawa Hiiro | Kurihara Sae | Sakamoto Rino | Shibui Mina | Toyonaga Aki (Captain) | Fujino Kokoha | Fuchigami Mai | Mogami Nanaka | Yanase Reia | Yamauchi Yuna
Team KIV Akiyoshi Yuka | Izawa Miyu | Ihara Hanna | Imamura Maria | Eguchi Kokoha | Ouchi Rinka | Oba Risaki | Kuriyama Rina | Sakamoto Erena | Takemoto Kurumi | Tachibana Kokoro | Tanaka Iori | Jitoe Nene | Fukui Karen | Matsuoka Hana (Captain) | Morisaki Saaya | Yamashita Emiri
Kenkyuusei 6th Generation: Ishimatsu Yuina | Matsumoto Urara | Yasui Hina
7th Generation: Aoki Hinako | Ishii Ayane | Ishikawa Amiyu | Ijima Riria | Eura Yuka | Katahira Sara | Kure Yuna | Tsutsumi Fuka | Tsurukawa Nachi | Nakano Minami | Nagano Rara | Matsunaga Yui | Matsumoto Moka | Yamakawa Maria | Yoshida Mei | Ryuto Ayane
Former Members
Team H Komori Yui | Sugamoto Yuko | Taniguchi Airi | Umemoto Izumi | Anai Chihiro | Wakatabe Haruka | Okamoto Naoko | Inoue Yuriya | Ui Mashiro | Yamada Marina | Yamamoto Mao | Sashihara Rino | Kodama Haruka | Komada Hiroka | Tanaka Natsumi | Kamijima Kaede | Ueno Haruka | Tashima Meru | Mizukami Rimika | Kojina Yui | Matsuoka Natsumi | Sakaguchi Riko | Watanabe Akari | Yabuki Nako | Oda Ayaka | Unjo Hirona | Sakai Moeka
Team KIV Kusaba Manami | Goto Izumi | Ito Raira | Okada Kanna | Ota Aika | Tanaka Yuka | Tomiyoshi Asuka | Iwahana Shino | Ueki Nao | Tomonaga Mio | Fukagawa Maiko | Moriyasu Madoka | Miyawaki Sakura | Murashige Anna | Kumazawa Serina | Imada Mina | Shimono Yuki | Murakami Wakana | Goto Hinano | Baba Sayaka | Motomura Aoi | Nagano Miyabi | Takeda Tomoka | Tanaka Miku
Team TII Tsutsui Riko | Matsuda Yumi | Tsukiashi Amane | Shimizu Rio | Matsumoto Hinata | Seki Ai | Murakawa Bibian | Hokazono Hazuki | Miyazaki Sono
Kenkyuusei Eto Sayaka | Nakanishi Ayaka | Abe Kyoka | Otoshima Risa | Kudo Haruka | Ogawa Sana | Kawashima Yuna
Discography
Singles 1. Suki! Suki! Skip! | 2. Melon Juice | 3. Sakura, Minna de Tabeta | 4. Hikaeme I love you! | 5. 12 Byou | 6. Shekarashika! | 7. 74 Okubun no 1 no Kimi e | 8. Saikou ka yo | 9. Bagutte Iijan | 10. Kiss wa Matsushikanai no Deshouka? | 11. Hayaokuri Calendar | 12. Ishi | 13. 3-2 | 14. Kimi to Doko ka e Ikitai | 15. Biisan wa Naze Naku Naru no ka? | 16. Kimi wa Motto Dekiru | 17. Baketsu wo Kabure!
Album 1. 092 | 2. Outstanding
Other Songs Hatsukoi Butterfly | Wink wa Sankai | Otona Ressha | Make noise | Tomaranai Kanransha | Buttaoreru Made
Stages
Team H Te wo Tsunaginagara | Hakata Legend | Seishun Girls | Saishuu Bell ga Naru | Theater no Megami | RESET | Mokugekisha
Team KIV Theater no Megami | Saishuu Bell ga Naru | Seifuku no Me | Koko ni Datte Tenshi wa Iru
Team TII Te wo Tsunaginagara | Renai Kinshi Jourei
Himawarigumi Pajama Drive | Tadaima Renaichuu | Yuuwaku no Garter
Kenkyuusei Te wo Tsunaginagara | PARTY ga Hajimaru yo | Nounai Paradise | Kibou no Tsubomi
Units and Sister Groups
One-Shot Units Team Surprise | Team BS
AKB48 Group inside Japan AKB48 | SKE48 | NMB48 | HKT48 | NGT48 | STU48
AKB48 Group outside Japan JKT48 | BNK48 | MNL48 | AKB48 Team SH | AKB48 Team TP | CGM48 | KLP48
Former Groups OJS48 | SDN48 | TPE48 | MUM48 | SGO48 | DEL48 | MUB48
Events
Sousenkyo 4th Senbatsu Sousenkyo - 27th Single "Fan ga Erabu 64 Giseki"
5th Senbatsu Sousenkyo - 32nd Single "Yume wa Hitori ja Mirarenai"
6th Senbatsu Sousenkyo - 37th Single "Yume no Genzaichi ~Rival wa Doko da~"
7th Senbatsu Sousenkyo - 41st Single
8th Senbatsu Sousenkyo - 45th Single
9th Senbatsu Sousenkyo - 49th Single
10th Senbatsu Sousenkyo / Sekai Senbatsu Sousenkyo - 53rd Single
Janken Taikai 3rd Senbatsu Janken Taikai - 29th Single
4th Senbatsu Janken Taikai - 34th Single
5th Janken Taikai - Solo Debut + 38th Single
6th Janken Taikai - Solo Debut
7th Janken Taikai - Unit Formation + Debut
8th Janken Taikai - Unit Debut
Group Draft Meeting AKB48 Group Draft Meeting 2013
AKB48 Group Draft Meeting 2015
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