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 24 Years Old
Height 174.7cm
Professional Info
Agency **
Social Networks Instagram
Idol Career Info
Former Group AKB48 Team TP
Former Team Peek A Boo Trainee
Debuted February 2018 / TPE48 1st Generation
Graduated September 2023

Chia I-chen was a trainee of AKB48 Team TP's Peek A Boo.


  • 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 → Peek A Boo Trainee (Rest) → Graduation
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 Peek A Boo Trainee on July 1, 2022 (AKB48 Team TP Unit Shuffle)
Withdrew from AKB48 Team TP Peek A Boo Trainee on September 13, 2023

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)