| Hirose Ken |
Also Known As
April 23, 1992
J-Pop, K-Pop, C-Pop
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.
- Nicknames: High Rose,, Kennie
- Birthday: April 23, 1992 (Age 23)
- Birthplace: Osaka, Japan
- Blood Type: AB
- Height: 5"5
- Member Colors:
- Years Active: 4 Years
- Hello! Project Fantasy Groups:
- Hobbies: Writing
- Special Skills: His kanji writing
- Favorite Food: Meat, Fruit
- Disliked Food: Carrots
- Favorite Colors: Purple, Blue
- Favorite Seasons: Winter
- Favorite Animal: Rabbits
- [2015.06.17] Seishun Kisses / Adult Life
- [2015.09.22] Tōtende Wa Oepn Remasu
- [2016.03.31] My Life / Until We Leave/ Star Drops - HIROSE KEN VER.-
- [2017.01.31] Ocean
- Studio Albums
- [2016.06.05] Reach for Ken
- Mini Albums
- [2015.07.17] KEN
- [2016.01.02] Rubber
- Note all these songs are solo songs when he is part of A.L.C.H.E.M.I.S.T
- [2013.03.13] Watashitachi To Issho Ni Idō Suru Umi - Track 4 of Mini Album Coastal Route
- [2014.05.13] We're Sky High - In Limited Edition B (KEN) only
- [2014.05.30] Lets Party - Track 9 from Studio Album Unwavering Loyalty
- [2015.02.02] Kagayaku Tamochi-bi - Track 2 from Mini Album My Days with U
- [2011.12.01] Greeting -Hirose Ken-
- [2015.03.12] Play
- [2016.05.12] Rose
- [2012.08.19] Computer
- [2014.04.23] 22 Years Old
- [2015.08.16] High Rose
- [2016.05.12] The Playground
- [2013-2014] Kiss Killer - As Shitohimi Ryuuta
- [2014-] Kiss Killer Redemption - As Shitohimi Ryuuta
-  7-Eleven
-  MC Donald's
-  Coca-Cola
-  Taco bell
-  MC Donald's
-  Coca-Cola KEN EDITION VER 3
-  Burger King
-  Adida's
-  Nintendo
-  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.
Sub-leader of A.L.C.H.E.M.I.S.T