Aikawa Sachiko
Aikawa Sachiko, May 2016
Nickname Ai (あい), Sachi (さち)
Birthdate February 23, 2000 (2000-02-23) (age 18)
Birthplace Aichi, Japan
Bloodtype O
Zodiac Sign Pisces
Height 162cm
Professional Information
Occupation Singer, Dancer, Idol
Years Active 2015-Present
(3 years)
Agency UP FRONT PROMOTION (2016-Present)
Label UP FRONT WORKS (2015-2016)
BLITZ Records (2016-Present)
Group KiSeKi
Associated Acts KiSeKi, Hello!Project DIVAS.
I promise to make KiSeKi an idol group that people will know! I won't lose to other groups out there!

–Aikawa Sachiko, February 2016

Aikawa Sachiko (相川幸子) is a Japanese idol signed to Hello! Project Girls Division as the leader of KiSeKi.

She was first introduced at a DIVAS. promotional event on April 2, 2015.


Aikawa Sachiko, April 2015


Early Life

Aikawa Sachiko was born on February 23, 2000 in Aichi, Japan, to a couple whose names are undisclosed.


On April 2, Aikawa was added to Hello!Project DIVAS.


On February 2, Aikawa was introduced as a member of KiSeKi alongside Komatsu Hideyo, Shimono Ayaka, Hideyoshi Mina, Ishimoto Fuki, Washio Kisora, Umeda Rion, and Sasada Fumiko.

On May 13, Aikawa was named the leader of KiSeKi.

Private Life

Aikawa has a younger brother.

When Aikawa joined Hello!Project DIVAS., she was a third year middle school student.

As of April 2016, she is currently attending her first year of high school.

The following list are nicknames that have been used to refer to Aikawa Sachiko:

  • Ai (あい): Official nickname; Given to her since joining Hello!Project DIVAS.
  • Sachi (さち): Official nickname; Given to her since joining KiSeKi.


  • Name: Aikawa Sachiko (相川幸子)
  • Nickname: Ai (あい), Sachi (さち)
  • Birthdate: February 23, 2000 (2000-02-23) (age 18)
  • Birthplace: Aichi, Japan
  • Height: 162cm
  • Blood Type: O
  • Hello! Project Status:
    • 2016-04-02: Hello!Project DIVAS. Member
    • 2016-02-01: KiSeKi member
  • KiSeKi Member Color: Light Green
  • Hello! Project Groups:

  • Specialties: Cooking, drawing
  • Hobbies: Collecting cute things
  • Favorite Music Genre: J-pop
  • Favorite Sport: Baseball
  • Favorite Food: Tofu Ramen
  • Least Favorite Food: Tomato
  • Favorite Subjects: Literature, math
  • Worst Subjects: Social studies, science
  • Favorite Colors: Blue, yellow
  • Looks Up To: Mahiro Rima

Singles Participated In



  • She was deemed the ace of her DIVAS. generation.
  • She's known for her air-headed personality.
  • Her charm point is her mature facial shape.
  • She admits that when other DIVAS. debut, she would get upset it wasn't her.
  • She previously auditioned for AKB48's Team 8.