Chitti, Chicchi

Other Names

Aoi Chihiro (蒼井ちひろ)


May 8, 1993 (1993-05-08) (age 27)









Professional Information


Fanbase Name

Chittiii Caps

Audition Camp(s)

WACK AUDiTiON CAMP 2020 (Mentor)

Years Active


Associated Acts

Tsuyogari Sensation, ARC∀DIA, HOLY SHiTS, WACK Photo Club





BiSH Information

"Serious on the outside, scoundrel on the inside, but I can only have up to two boyfriends" member (見た目は真面目、中身は悪女これでも彼氏は2人まで担当)
"My little sister can't be this cute" member (僕の妹がこんなに可愛いわけがない担当) (Former, 2015-2016)


Light Blue

Date Joined

March 9th, 2015

Debut Release


Time in Group

5 Years, 5 Months, 5 Days


Promoting TOMORROW


Promoting Youji to Tsuki no Hime


Promoting NATASHA


Promoting DEADMAN


Promoting OTNK


Promoting Brand-new idol SHiT


As a member of Tsuyogari Sensation

Cent Chihiro Chittiii (セントチヒロ・チッチ), real name Aoi Chihiro (蒼井ちひろ), is a Japanese idol under WACK, as the captain of BiSH and a member of HOLY SHiTS.

Biography Edit

2014 Edit

On August 17th, 2014, Cent Chihiro Chittiii joined the underground idol group Tsuyogari Sensation as a founding member, under her real name.

2015 Edit

On February 15th, 2015, Aoi Chihiro graduated from Tsuyogari Sensation without releasing any material, and auditioned for BiSH around the same time.

Chihiro was announced as a founding member of BiSH on March 9th, 2015. Upon joining BiSH, she changed her stage name to Cent Chihiro Chittiii and was designated the role of BiSH's captain.

Cent Chihiro Chittiii's debut release, Spark, was released on March 25th.

On May 27th, Cent Chihiro Chittiii's first album, Brand-new idol SHiT, was released.

2016 Edit

On April 27th, Cent Chihiro Chitti collaborated with GHOST ORACLE DRIVE to provide a song, "Human After All" for the anime GOD EATER. The song was used as the ending theme for the 6th episode and included on it's soundtrack album, "GOD EATER Sounyuu Kashuu".

On March 20th, Chittiii was demoted from Captain to "Bag Lady" after failing a DiET or DiE challenge.

When Ayuni D joined BiSH in August, she took Chittiii's original "Little Sister" member role during her debut live. Afterward, Chittii's new role was changed to "Serious on the outside, scoundrel on the inside, but I can only have up to two boyfriends", a reference to the song "SCHOOL GIRLS, BANG BANG, which she wrote the lyrics to.

Chittiii joined the "Idol Supergroup" NATASHA, on September 1st.

2017 Edit

On December 31st 2017, it was announced that Cent Chihiro Chittiii had received the most votes in the WACK General Election and would be rewarded with a solo single alongside Aina The End.

2018 Edit

On March 7th, Cent Chihiro Chitti and Aina The End provided vocals for the song "Wasted Tears" on Marty Friedman's album, 「B: The Beginning」THE IMAGE ALBUM.

On July 26th, Cent Chihiro Chittiii was added to the shuffle unit, HOLY SHiTS.

Cent Chihiro Chittiii and Aina The End's election solo single, Youji to Tsuki no Hime / Kienaide, was released on September 19th, with Youji to Tsuki no Hime being Chittiii's solo song.

2020 Edit

From March 22nd to 28th, Cent Chihiro Chittiii participated in the WACK AUDiTiON CAMP 2020 as a mentor. In an interview given prior to the camp, she said that while audition camps are always sad, she wanted it to be a kinder one this year.

Personal Life Edit

She was bullied at school, causing her to become introverted and channelling her frustrations into softball. Her confidence improved after entering high school.

Profile Edit

  • Name: Aoi Chihiro (蒼井ちひろ)
  • Stage Name: Cent Chihiro Chittiii (セントチヒロ・チッチ)
  • Birth Date: May 8, 1993 (1993-05-08) (age 27)
  • Birthplace: Hachiouji, Japan
  • Height: 152.7cm
  • Blood Type: AB
  • Nickname: Chitti (チッチ)
  • Western Zodiac: Taurus
  • Eastern Zodiac: Rooster
  • BiSH Role: 
    • Serious on the outside, scoundrel on the inside, but I can only have up to two boyfriends member (見た目は真面目、中身は悪女これでも彼氏は2人まで担当)
    • My little sister can't be this cute member (僕の妹がこんなに可愛いわけがない担当) (Former, 2015-2016)
  • WACK status:
    • 2015.05.09: Joined BiSH
  • BiSH Colour:  Light Blue
  • WACK Groups:
  • Other Groups:
  • Overall Time in WACK: 5 Years, 5 Months, 5 Days

Discography Edit

See Cent Chihiro Chittiii Discography Featured In

Publications Edit

Other Media Edit

Live Video Edit

Film Edit

Lyrics Written Edit

Trivia Edit

  • Likes Pokemon and horror movies.
  • Was obsessed with idols as a child, until her favourite members all left.
  • Her stage name is a reference to the film "Spirited Away", titled "Sen to Chihiro no Kamikakushi" in Japanese. "Sen to Chihiro" is pronounced the same way as "Cent Chihiro".
  • As a BiSH founding member and captain, Chittiii is currently the most senior member of WACK.

Gallery Edit

Preceded by
Kamiya Saki
Most Senior Member of WACK
Succeeded by
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