Chia I-chen

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Chia I-chen
Chia I-chen (2019)
Hanzi 賈宜蓁
Pinyin Jiǎ Yízhēn
Nickname Rika (りか)
Birth Info
Birthdate August 18, 1999  
Birthplace Flag of Taiwan.png Hsinchu, Taiwan
Blood type O
Current Age 22 Years Old
Nationality Taiwanese
Height 174.7cm
Professional Info
Agency Muses & Nymph Entertainment
Social Networks Instagram
Idol Career Info
Group AKB48 Team TP
Team Unit P Trainee
Debuted February 2018 / TPE48 1st Generation

Chia I-chen is a trainee of AKB48 Team TP's Unit P. Since December 23, 2021 her activities are suspended for academic purposes and was temporarily listed as a Rest member.


  • Name in Japanese: ジャー・イージェン
  • Skills: Singing.
  • Activities have been suspended since December 23, 2021 for academic purposes.

AKB48 Senbatsu Elections

AKB48 Team TP Janken Tournaments

Team History

TPE48 TraineeAKB48 Team TP TraineeDaisy Trainee → Rest → Unit P Trainee
Joined TPE48 as a Trainee on February 4, 2018
Transferred to AKB48 Team TP Trainee on August 25, 2018
Transferred to Daisy Trainee on March 1, 2020 (Daisy formation)
Temporarily moved to Rest on December 23, 2021
Transferred to Unit P Trainee on July 1, 2022 (AKB48 Team TP Unit Shuffle)

Singles Participation

AKB48 Team TP B-Sides


Stage Units

Kokoro no Hashi no Sofa

Concert Units

AKB48 Team TP 1st Anniversary Mini Concert

September 15

AKB48 Team TP Mini Concert ~Unit Debut~

March 7

AKB48 Team TP Mini Concert ~Huiyuan Xianding Chang~

May 30

AKB48 Team TP Mini Concert ~Win The Summer with TTP~

August 22


Chia I-chen (October 2018)
Chia I-chen (May 2018)
Chia I-chen (February 2018)
AKB48 Team TP


Unit P
Promoted Members
Chang Yu-linChiu Pin-hanKuo Shin-yuLau Hiu-chingLee Meng-chunLi Jia-liPan Tzu-yiSin Tik-keiWang Yi-chia
Cheng Chia-yuCheng Yu-weiChia I-chenKao Yen-chenLi Cai-jieLin Jia-niLin Ting-liMiyata RukaTung Zih-syuanWu Wan-ling