Ayaka Nishiwaki (西脇 綾香, Nishiwaki Ayaka), nicknamed A~chan (あ～ちゃん, stylized as a-chan), is a Japanese singer and dancer. She is known as one of the members of the Japanese electropop group Perfume.

KNOWN FOR

Beyblade X
2023
To Your Eternity
2025
Love Like a K-Drama
2023
Fight Song
2022
Barakamon
2023
Perfume's chandelier house
2009
Fastening Days 3
2017
The Masked Singer Japan
2021
Nazotoki! Himitsu no Shiho-san
2023
Love Strikes!
2011
Disney My Music Story: Perfume
2020
Murders at the House of Death
2019

FILMOGRAPHY

All
Movies
TV
Acting
49
Sound
7
2026
Perfume - "Cold Sleep" –25 years Document-
as A-chan
2025
Perfume ZO/Z5 Anniversary "Nebula Romance" Episode TOKYO DOME
as Ayaka / A~chan
2025
Perfume 10th Tour ZOZ5 Nebula Romance Episode 1
as A~chan
2024
Perfume Countdown Live 2023→2024 “COD3 OF P3RFUM3” ZOZ5
2024
P.T.A.発足10周年!! と5周年!! “Perfumeとあなた”ホールトゥワー
2024
P.T.A. 15th & 10th Anniversary 'Perfume and You' Hall Tour 2023
as a~chan
2023
Perfume LIVE 2023 “CODE OF PERFUME”
2023
Perfume 9th Tour 2022 "PLASMA"
as a~chan
2023
Love Like a K-Drama
as Self - Emcee
2023
Nazotoki! Himitsu no Shiho-san
2022
V.I.P.
2021
Perfume LIVE 2021 [polygon wave]
as a~chan
2021
The Masked Singer Japan
2020
Perfume 8th Tour 2020 “P Cubed” in Dome
as a-chan
2020
Disney My Music Story: Perfume
as a~chan
2020
Reframe THEATER EXPERIENCE with you
as a~chan
2020
Perfume Imaginary Museum “Time Warp”
as a~chan
2019
Perfume x TECHNOLOGY Presents: REFRAME 2019
as a~chan
2019
Perfume 7th Tour 2018 "Future Pop"
as a~chan
2018
Perfume PTA Hall Tour "10th anniversary of PTA launch"
as a~chan
2018
Perfume x TECHNOLOGY Presents: REFRAME
as a~chan
2017
Perfume 6th Tour 2016 'COSMIC EXPLORER' Standing Edition -Live Experience Edit-
as a~chan
2017
Perfume Clips 2
as a~chan
2017
Perfume 6th Tour 2016 'COSMIC EXPLORER' Dome Edition
as a~chan
2017
Pensées
as Donchan
2017
Fastening Days 3
as Rescue squad member (voice)
2017
Thoughts
as Donchan
2016
Perfume Anniversary 10days 2015 PPPPPPPPPP LIVE 3:5:6:9
as a~chan
2016
We Are Perfume: World Tour 3rd Document
as a~chan
2015
Perfume WORLD TOUR 3rd
as a~chan
2015
Perfume 5th Tour 2014 "Gurungurun"
as a~chan
2014
Perfume Clips
as a~chan
2014
Perfume 4th Tour in DOME LEVEL3
as a~chan
2014
Perfume World Tour 2nd
as a~chan
2014
Perfume 4th Tour in DOME Level 3
2014
Perfume 4th Tour In Dome Level 3
as Themself
2013
Perfume World Tour 1st
as a~chan
2012
Perfume 3rd Tour 「JPN」
as a~chan
2011
Love Strikes!
2010
Perfume Live at Tokyo Dome "1 2 3 4 5 6 7 8 9 10 11"
as a~chan
2010
Perfume P.T.A. TOUR 2010 Live@Zepp Tokyo 2010.3.16
as Self
2009
Perfume - Disco! Disco! Disco!
as a~chan
2009
Perfume - Chokkaku Nitouhen Sankakkei Tour
as a~chan
2009
Perfume's chandelier house
as Self
2008
Perfume First Tour 「Game」
as a~chan
2008
Perfume 「Budoukaaaaaaaaaan!!!!!」
as a~chan
2008
Happy!
as a~chan
2006
Perfume Fan Service bitter
as a~chan
1996
School Ghost Story R