|Stage Name||Aiko (愛子)|
|Born||December 21, 2002|
|Occupation||Idol, Singer, Actress|
|Years Active||2009 - Present|
|Associated Acts||Da Xiao Jie|
|Joined||March 7, 2009|
|Graduated||May 17, 2012|
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
- Birthplace: Taiwan
- Ethnicity: 1/4 Japanese/Chinese
- Zodiac: Sagittarius
- 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:
- Da Xiao Jie (2009-2012)
-  K.O.3anguo (終極三國) (cameo appearance)
-  Hero Daddy (帶子英雄; Dai Zi Ying Xiong) (as Wang Ting Ting)
-  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.
Youngest member of Hello! Project
|Hello! Project Taiwan|
|Ice Creamusume||Members||Shenshen (Leader) | Anchii (Sub-Leader) | Peipei | Youko | Reirei | Guu-chan|
|Da Xiao Jie||Members||Frances | Aiko|
|Ice Creamusume||Albums||1.1st Zui Bang!|
|Da Xiao Jie||Mini Albums||1. Wo Shi Da Xiao Jie | 2. Wo Shi Da Xiao Jie Zhi Hu Hu Sheng Feng He Nian Ban|
|Albums||1. Jia Jiayou! Da Xiao Jie | 2. Follow Me|
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