Lan Ai Zi
Stage Name Aiko (愛子)
Birth Info
Born December 21, 2002 (2002-12-21) (age 16)
Origin Taiwan
Zodiac Sign Sagittarius Sagittarius
Height 114cm
Professional Info
Genres Mando-pop
Occupation Idol, Singer, Actress
Years Active 2009 - Present
(10 years)
Associated Acts Da Xiao Jie
Da Xiao Jie Information
Joined March 7, 2009
Graduated May 17, 2012
Instagram Instagram_logo_2016.svg @aiko.official

Lan Ai Zi (藍愛子) (Japanese Stage Name: Aiko (愛子)) is the youngest member of Taiwan-based Hello! Project group Da Xiao Jie.

400px-Aiko 1

Aiko, 2011 promoting Hero Daddy

Artist photo-2

Aiko, 2009/2010


Lan Ai Zi joined the unit Da Xiao Jie in 2009, along with Wu Zhao Xian, after making it to the finals of the Taiwan NEW STAR auditions, but not being eligible to win.

In 2009, she made her first trip to Japan, resulting in dance lessons and the chance to perform as a backup dancer for Kusumi Koharu during the Hello! Project 2009 Winter Concert.


  • Name: Lan Ai Zi (藍愛子)
  • Japanese Stage Name: Aiko (愛子)
  • Birthdate: December 21, 2002 (2002-12-21) (age 16)
  • Birthplace: Taiwan
  • Ethnicity: 1/4 Japanese/Chinese
  • Western Zodiac: Sagittarius
  • Eastern Zodiac: Horse
  • Height: 114cm
  • Weight: 19kg
  • Specialty: Sports, singing, impersonations
  • Favorite Food: Pickled Guava, Curry Rice
  • Favorite Color: Pink, purple
  • Looks Up To: Kusumi Koharu, Junjun, Linlin, Matsuura Aya
  • Hello! Project Groups:



  • [2009] K.O.3anguo (終極三國) (cameo appearance)
  • [2010] Hero Daddy (帶子英雄; Dai Zi Ying Xiong) (as Wang Ting Ting)
  • [2013] Lady Maid Maid (愛情女僕; Ai Qing Nu Pu) (as Qiu Qiu)


  • She is one-quarter Japanese from her maternal grandfather.
  • She took part in the New Star auditions in Taiwan for a place in the Hello! Project, but along with Wu Zhao Xian was considered to be too young.
  • Lan Ai Zi has said she really likes Frances.
  • The judges during the NEW STAR auditions loved Lan Ai Zi because of how cute they thought she was.
  • She was the youngest girl to have ever joined Hello! Project.
  • She has a younger sister.

Honorary TitlesEdit

Honorary titles

Preceded by
Hagiwara Mai

Youngest member of Hello! Project
2009 - 2012

Succeeded by
Kudo Haruka

External LinksEdit

Community content is available under CC-BY-SA unless otherwise noted.