Hirose Ken
広瀬 ケン

Also Known As



April 23, 1992 (1992-04-23) (age 25)


Osaka, Japan


J-Pop, K-Pop, C-Pop

Years Active


Associated Acts

A.L.C.H.E.M.I.S.T (2011-Present)
Hello! Project Fantasy (2011-Present)
Fantasy Kenshuusei (2011-2014)

Hirose Ken (広瀬 ケン) is a 1st generation member of Fantasy Kenshuusei, and Sub-Leader of all boy group A.L.C.H.E.M.I.S.T.


Early Life

Ken was born on April 23, 1992 in Osaka Japan to a couple whose name is undisclosed, he is the older brother of Genki Girls Club! 2nd generation member Hirose Hikaru born in 1998. Prior to joining Fantasy Kenshuusei he was a child model. He also has a little sister Hirose Shino born in 2002 who is currently a member of Fantasy Kenshuusei. And has a younger brother named Hirose Mako born in 1996.


On March 22nd, Ken along with 14 other people joined Fantasy Kenshuusei.

On April 1st, Ken along with the rest fo the boys from the program were revealed to join a new unit.


During their mini concert in February Ken fainted, and was rushed to the hospital. He was unable to participate in any activities until he was fully rested.

On August 19th, he released his first solo PhotoBook Computer.


On January to July he along with Miguel Staples and Wada Akari were voice actors for a horror anime titled Kiss Killer.


On April 23rd, he released his second solo Photobook titled 22 Years Old


He was unable to participate in A.L.C.H.E.M.I.S.T's second Mini Concert as he was away with the flu.

On March 12, he released his first Solo Blu-Ray DVD titled Play

On April 22, it was revealed that he will be releasing a solo single on June 8th, it is currently unknown the name of it. And will release his third photobook titled High Rose on August.

Personal Life

He is the older brother to Genki Girls Club! member Hirose Hikaru


  • Hobbies: Writing
  • Special Skills: His kanji writing
  • Favorite Food: Meat, Fruit
  • Disliked Food: Carrots
  • Favorite Colors: Purple, Blue
  • Favorite Seasons: Winter
  • Favorite Animal: Rabbits


  1. [2015.06.17] Seishun Kisses / Adult Life
  2. [2015.09.22] Tōtende Wa Oepn Remasu
  3. [2016.03.31] My Life / Until We Leave/ Star Drops - HIROSE KEN VER.-
  4. [2017.01.31] Ocean

Studio Albums
  1. [2016.06.05] Reach for Ken
Mini Albums
  1. [2015.07.17] KEN
  2. [2016.01.02] Rubber

Solo Songs

  1. [2013.03.13] Watashitachi To Issho Ni Idō Suru Umi - Track 4 of Mini Album Coastal Route
  2. [2014.05.13] We're Sky High - In Limited Edition B (KEN) only
  3. [2014.05.30] Lets Party - Track 9 from Studio Album Unwavering Loyalty
  4. [2015.02.02] Kagayaku Tamochi-bi - Track 2 from Mini Album My Days with U

Solo Blu-Rays

  1. [2011.12.01] Greeting -Hirose Ken-
  2. [2015.03.12] Play
  3. [2016.05.12] Rose


  1. [2012.08.19] Computer
  2. [2014.04.23] 22 Years Old
  3. [2015.08.16] High Rose
  4. [2016.05.12] The Playground

Voice Acting

  1. [2013-2014] Kiss Killer - As Shitohimi Ryuuta
  2. [2014-] Kiss Killer Redemption - As Shitohimi Ryuuta

Solo CF's

  1. [2011] 7-Eleven
  2. [2012] MC Donald's
  3. [2013] Coca-Cola
  4. [2013] Taco bell
  5. [2014] MC Donald's
  6. [2014] Coca-Cola KEN EDITION VER 3
  7. [2014] Burger King
  8. [2015] Adida's
  9. [2015] Nintendo
  10. [2015] Yahama


  • He is often teased by the members for being air headed.
  • He would like to do a sibling unit with Hirose Hikaru one day.
  • He is the first member of A.L.C.H.E.M.I.S.T to get a solo debut.

Honorary Titles

Honorary titles

Preceded by

Sub-leader of A.L.C.H.E.M.I.S.T
May 2011 – Present

Succeeded by

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