Seishun no Hana / Start Line
Regular Edition A
Single by Kobushi Factory
Native title 青春の花/スタートライン
Released March 4, 2020
Genre J-pop
Format CD, CD+DVD, digital download
Label zetima zetima
Kobushi Factory Singles Chronology
Previous Oh No Ounou / Haru Urara 7th Single (2019)
Other Covers

Regular Edition B

Limited Edition A

Limited Edition B

Seishun no Hana / Start Line (青春の花/スタートライン; Flower of Youth / Start Line) is Kobushi Factory's 8th and final single. It will be released on March 4, 2020 in four editions: two regular and two limited.[1] The first press of the regular editions include a random trading card of 6 kinds depending on the jacket (12 in total).

"Seishun no Hana" was digitally pre-released on February 12, 2020.[2]


Kobushi Factory - Seishun no Hana (MV) (Promotion Edit)

Kobushi Factory - Seishun no Hana (MV) (Promotion Edit)


  1. Seishun no Hana
  2. Start Line
  3. Seishun no Hana (Instrumental)
  4. Start Line (Instrumental)

Limited Edition A DVDEdit

  1. Seishun no Hana (Music Video)
  2. Seishun no Hana (Close-up Ver.)

Limited Edition B DVDEdit

  1. Start Line (Music Video)
  2. Chotto Guchoku ni! Chototsumoushin (A Cappella Ver.)
  3. Nen ni wa Nen (Nen'iri Ver.) (A Cappella Ver.)
  4. GO TO THE TOP!! (A Cappella Ver.)
  5. LOVE Machine (A Cappella Ver.) (Morning Musume cover)

Featured MembersEdit


Kobushi Factory promoting "Seishun no Hana"


Kobushi Factory promoting "Start Line"

Single InformationEdit

Seishun no Hana
Start Line
  • Lyrics and Composition: Hoshibe Sho
  • Arrangement: Miyanaga Jiro

Concert PerformancesEdit

Seishun no Hana
Start Line

Chart PositionsEdit

Oricon Chart PositionsEdit

Daily & Weekly Rankings
Mon Tue Wed Thu Fri Sat Sun Week Rank Sales
- x x x x x x x x
x x x x x x x x x
Monthly Ranking
Year Month Month Rank Sales Ref
2020 March TBA TBA

Total reported sales: TBA

Weekly Combined Ranking
Week Rank Points
x x

Total reported points: TBA

Billboard Japan Top Single SalesEdit

Week Rank Sales Ref

Total reported sales: TBA

Recochoku Music Video RankingsEdit

Song Daily Rank Weekly Rank Monthly Rank
Seishun no Hana TBA TBA TBA
Start Line TBA TBA TBA



External LinksEdit

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