Nandaka Sentimental na Toki no Uta / SaiKIYOU

Nandaka Sentimental na Toki no Uta / SaiKIYOU (なんだかセンチメンタルな時の歌/最KIYOU; Song For A Somehow Sentimental Time / The Peak) is Morning Musume '24's 74th single. It was released on August 14, 2024 in 5 editions: 2 regular and 3 limited. The first press of the regular editions includes a random member trading card of 13 kinds depending on the jacket (26 in total), and one random shiny group card."モーニング娘。'24 NEWシングル！ 8月14日 発売決定！" (in Japanese). Hello! Project. 2024-05-27.
The Limited Edition SP includes a Blu-ray disc containing live video of the group's performance at COUNTDOWN JAPAN 23/24 held at Makuhari Messe on December 29, 2023 and JAPAN JAM 2024 held at Chiba-shi Soga Sports Kouen on May 3, 2024.
This is the last single to feature 10th generation member Ishida Ayumi."モーニング娘。’24、秋にアルバムリリース決定 石田亜佑美ラスト作品に「シングルという形は今回が最後」【なんだかセンチメンタルな時の歌／最KIYOU】" (in Japanese). modelpress. 2024-08-15.
==Tracklist==
===CD===
#Nandaka Sentimental na Toki no Uta
#SaiKIYOU
#Nandaka Sentimental na Toki no Uta (Instrumental)
#SaiKIYOU (Instrumental)
===Limited Edition A Blu-ray===
#Nandaka Sentimental na Toki no Uta (Music Video)
#Nandaka Sentimental na Toki no Uta (Dance Shot Ver.)
#Nandaka Sentimental na Toki no Uta (Making Eizou) (メイキング映像; Making Video)
===Limited Edition B Blu-ray===
#SaiKIYOU (Music Video)
#SaiKIYOU (Dance Shot Ver.)
#SaiKIYOU (Making Eizou)
===Limited Edition SP Blu-ray===
;rockin'on presents COUNTDOWN JAPAN 23/24 (2023/12/29 Makuhari Messe Kokusai Tenjiba)
#Suggoi FEVER! 
#Souda! We're ALIVE (updated 23 Ver.)
#Utakata Saturday Night! 
#Wake-up Call ~Mezameru Toki~
#Brainstorming (updated)
#What is LOVE? (23 Ver.)
#HEAVY GATE
#Ren'ai Destiny ~Honne wo Ronjitai~
#Love Machine (updated 23 Ver.)
#Wagamama Ki no Mama Ai no Joke (23 ver.)
;rockin'on presents. JAPAN JAM 2024 (2024/5/3 Chiba-shi Soga Sports Kouen)
#LOVE Machine (updated 23 Ver.)
#Ren'ai Revolution 21 (updated 23 Ver.)
#One・Two・Three (23 Ver.) 
#Help me!! (updated) 
#TIKI BUN 
#Wagamama Ki no Mama Ai no Joke (23 Ver.) 
#What is LOVE? (23 Ver.) 
#Souda! We're ALIVE (updated 23 Ver.)
#The☆Peace (23 Ver.) 
#Utakata Saturday Night 
#Koko ni Iruzee! (23 Ver.)
==Featured Members==
*9th Gen: Ikuta Erina
*10th Gen: Ishida Ayumi (last)
*11th Gen: Oda Sakura
*12th Gen: Nonaka Miki, Makino Maria, Haga Akane
*13th Gen: Yokoyama Reina
*15th Gen: Kitagawa Rio, Okamura Homare, Yamazaki Mei
*16th Gen: Sakurai Rio
*17th Gen: Inoue Haruka, Yumigeta Ako
==Single Information==
;Nandaka Sentimental na Toki no Uta
*Lyrics and Composition: Tsunku
*Arrangement: Kamiya Rei
;SaiKIYOU
*Lyrics: Kodama Ameko
*Composition and Arrangement: Okubo Kaoru
==Performances==
===TV Performances===
*[2024.06.26] TV Tokyo Music Festival 2024 (SaiKIYOU)
===Concert Performances===
;Nandaka Sentimental na Toki no Uta
*Morning Musume '24 Concert Tour Haru MOTTO MORNING MUSUME。FINAL
*Hello! Project 2024 Summer ALL OF US "Vega"
;SaiKIYOU
*Morning Musume '24 Concert Tour Haru MOTTO MORNING MUSUME。FINAL
*Hello! Project Kenshuusei Happyoukai 2024 6gatsu "Lily"
*Hello! Project 2024 Summer ALL OF US
==Chart Positions==
===Oricon Chart Positions===
;Daily & Weekly Rankings
Total Reported Sales: 103,399*
===Billboard Japan Top Singles Sales===
|- 
|1
|136,205
|"【ビルボード】モーニング娘。'24『なんだかセンチメンタルな時の歌 / 最KIYOU』13.6万枚でシングル1位" (in Japanese). Billboard JAPAN. 2024-08-19.
|}
Total Reported Sales: 136,205*
===Other Chart Rankings===
!Ref
|-
| rowspan="8" |
|Billboard Japan Single Sales (First Three Days)
|1(130,985)
|"【先ヨミ】モーニング娘。'24『なんだかセンチメンタルな時の歌/最KIYOU』13万枚突破で現在シングル首位独走中＜8/19訂正＞" (in Japanese). Billboard JAPAN. 2024-08-19.
|-
| colspan="7" |"Nandaka Sentimental na Toki no Uta" only
|-
|Billboard Japan Hot 100
|4
|https://www.billboard-japan.com/charts/detail?a=hot100&year=2024&month=08&day=26
|-
|Billboard Japan Top Download Songs
|10
|https://www.billboard-japan.com/charts/detail?a=dlsongs&year=2024&month=08&day=26
|-
|Oricon Weekly Digital Single Ranking
|18
|https://www.oricon.co.jp/rank/dis/w/2024-08-26/p/2/
|-
| colspan="4" |"SaiKIYOU" only
|-
|Billboard Japan Top Download Songs
|14
|
|-
|Oricon Weekly Digital Single Ranking
|14
|
|}
==Trivia==
*The single was announced on May 27, 2024 at the Morning Musume '24 Concert Tour Haru MOTTO MORNING MUSUME。FINAL in Nippon Budokan, where both songs were performed for the first time.
*This is the first single since "Onna to Otoko no Lullaby Game" to not feature Fukumura Mizuki.
*This is Ikuta Erina and Oda Sakura's first single as leader and sub-leader, respectively.
*SaiKIYOU is based on 最器用 (saikiyou; most skilled), and possibly a wordplay with "you".
*The group's 21st single to peak #1 on Oricon's weekly singles chart. It is also the first #1 single of the 17th generation and first under Ikuta's leadership."モーニング娘。通算21作目のシングル1位【オリコンランキング】" (in Japanese). ORICON MUSIC. 2024-08-20. Up until this single so far, all 17 generations of the group have at least one #1 single.
*It is also the group's sixth single to peak #1 on Billboard Japan's weekly Top Singles Sales chart.
==Videos==
==References==
==External Links==
*Discography: Hello! Project, UP-FRONT WORKS
*Wikipedia: 
*Lyrics: , 
es:Nandaka Sentimental na Toki no Uta / SaiKIYOU
fr:Nandaka Sentimental na Toki no Uta / SaiKIYOU
Category:2024 Singles
Category:2024 Blu-rays
Category:Morning Musume Singles
Category:Morning Musume Blu-rays
Category:13 Members Line-Up
Category:Double A-Side Single
Category:9th Generation Morning Musume Singles In
Category:10th Generation Morning Musume Singles In
Category:11th Generation Morning Musume Singles In
Category:12th Generation Morning Musume Singles In
Category:13th Generation Morning Musume Singles In
Category:15th Generation Morning Musume Singles In
Category:16th Generation Morning Musume Singles In
Category:17th Generation Morning Musume Singles In
Category:Last Single to Feature a Morning Musume Member
Category:2024 Number 1 Singles