RE:BIRTH (Formally known as:Starlight Girls) is an all-girl Japanese pop idol group, under Hello! Project. They were formed in 2014.

On June 25, 2017, the unit was moved to Hello! Project Fantasy Artist District, as well as revamped with a new name and members. With the name rebirth, their image is now a girl-crush concept with members only being added if they are 16+ years of age only.

Starlight Girls




Japanese Pop

Years Active

2014 - Present

Current Members


Name Birthdate Birthplace Blood Type Gen Joined Member Color Notes Group Positions
Asumi Hikari
(朝見 光)
December 11, 1996 (1996-12-11) (age 21) Tokyo
O 1st January 22, 2014 Green Leader (2017-Present) Visual, Vocal
Motozawa Kina
(元祖 キナ)
February 23, 1996 (1996-02-23) (age 22) Chiba
A 2nd June 25, 2017 Emerald Green Main Dancer, Main Rapper
Sasayama Koume
(笹山 幸愛)
May 31, 1996 (1996-05-31) (age 22) Tokyo
O Yellow Lead Dancer, Vocal
Sano Kiyoko
(佐野 清子)
January 21, 1997 (1997-01-21) (age 21) Hokkaido
B Peach SM Entertainment Trainee (2011-2018) Main Vocal
Choi Gowon
(최 고원)
May 25, 1997 (1997-05-25) (age 21) Seoul
(South Korea)
A Lavender FNC Entertainment Trainee (2014-2018) Lead Vocal, Lead Dancer, Lead Rapper
Imai Toyoko
(今井 東横)
February 28, 1998 (1998-02-28) (age 20) Tokyo O Royal Blue Fantasy Kenshuusei (2017) Lead Rapper, Vocal, Visual
Park Sohee
(공원 안소희)
August 8, 1998 (1998-08-08) (age 20) Seoul
(South Korea)
O Light Pink Fantasy Kenshuusei (2016-2017) Vocal

Former Members

Name Birthdate Birthplace Gen Joined Left Total Time Member Color Notes Group Positions
Takamori Ayami
(高森 綾三)
September 2, 1993 (1993-09-02) (age 25) Kumamoto
1st January 22, 2014 March 5, 2018 4 Years, 1 Month, 11 Days Hot Pink Lead Vocal
Matsumoto Rika
(松本 理化)
December 21, 1995 (1995-12-21) (age 22) Kyoto
Light Red Lead Rapper, Sub-Vocal
Miller Michi
October 4, 1999 (1999-10-04) (age 19) California
(united States)
June 25, 2017 3 Years, 5 Months, 3 Days Light Pink Former Leader (2014-2017) Lead Vocal
Saito Minami
(斉藤 南)
October 11, 2000 (2000-10-11) (age 18) Tokyo
Violet Lead Dancer, Sub-Vocal
Komatsu Haruka
(小室蘇 春茜)
October 14, 2000 (2000-10-14) (age 17) Kanagawa
April 7, 2018 4 Years, 2 Months, 16 Days Purple Lead Vocal



On January 10, Starlight Girls was announced

On January 20, was the day of the 1st generation auditions, and 4,000 girls auditioned.

On January 21, there were 100 girls left for the final round.

On January 22, the results were in, and the 1st generation members are, Takamori Ayami, Matsumoto Rika, Asumi Hikari, Miller Michi, Komatsu Haruka Komatsu and Saito Minami.


On June 25, 2017, it was announced that the group moved to Hello! Project Fantasy Artist District. They also had a member color change and got 6 members making the line up it a 10 member line up. Along with the new changes, two 1st generation members left the group. Two of the members, Sano Kiyoko and Choi Gowon had both auditioned for Fantasy Kenshuusei but were offered to join RE:BIRTH instead.

Name Former Color New Color
Takamori Ayami Crimson Hot Pink
Matsumoto Rika Gold Light Red
Asumi Hikari Sky Blue Green
Komatsu Haruka Light Green Purple

Along with the new change, a new leader and sub-leader were chosen.


On March 5, Takamori Ayami and Matsumoto Rika graduated from the group.

On April 7, it was announced that Komatsu Haruka was removed from the group and the company. The reason was due to Komatsu not complaing with company policy and due to innapropriate behaviours.



# Released Single Sales Oricon Rank Certifications Album Song Center
Physical Digital
As "Starlight Girls"
1 April 2, 2014 Benkyo no Kisetsu
(勉強の季節: Study Season)
19,486 - 9 N/A N/A Miller
2 September 20, 2014 Spell Caster 16,387 - 7 N/A N/A Miller
3 January 12, 2015 Jean Dress 12,287 - 8 N/A N/A Miller
4 May 5, 2015 Yoku Nemuru
(よく眠る: Sleep Well)
32,587 - 6 N/A N/A Ayami
5 December 23, 2015 Tamashi
(魂: Soul)
59,069 - 4 N/A N/A Rika
6 June 4, 2016 10 No Uchi 10 / Ai no Ressha
(10のうち10 / 愛の列車: 10 out of 10 / Train of Love)
29,858 - 6 N/A N/A Minami / Haruka
7 October 11, 2017 Kyo Watashi o Aishi, Ashita Watashi o Aisuru / Puzzle Pieces
(今日私を愛し、明日私を愛する: Love Me Today and Love Me Tomorrow)
31,375 12,852 5 N/A N/A Haruka / Kiyoko
8 March 5, 2018 Love Me More Tomorrow 29,357 18,245 4 N/A N/A Toyoko
9 July 2, 2018 Lady Wolf 44,451 19,551 4 N/A TBA Kiyoko

Member Time Line

Date Members Line Up Average Age Singles Albums
January 22, 2014 The group is formed, founding members are: Takamori Ayami, Matsumoto Rika, Asami Hikari, Miller Michi, Saito Minami and Komatsu Haruka join the group as 1st generation members. 6 Benkyo no Kisetsu, Spell Caster, Jean Dress, Yoku Nemuru, Tamashi, 10 No Uchi 10 / Ai no Ressha N/A
June 25, 2017 Miller Mich and Saito Minami left the group 4 N/A N/A
June 25, 2017 Motozawa Kina, Sasayama Koume, Sano Kiyoko, Choi Gowon Imai Toyoko and Park Sohee join the group as 2nd generation members. 10 Kyo Watashi o Aishi, Ashita Watashi o Aisuru / Puzzle Pieces, Love Me More Tomorrow N/A
March 5, 2018 Takamori Ayami and Matsumoto Rika graduated from the group 8 N/A N/A
April 7, 2018 Komatsu Haruka left the group 7 20.57 -> TBA Lady Wolf TBA