a-chan is considered by many to be the unofficial leader. She talks the most during live performances (and is also the most likely to cry during them, too).

Name: Nishiwaki Ayaka
Kanji: 西脇 綾香
Birthday: 1989.2.15
Blood type: A

Trivia

• She has two dogs named Popo-tan and Bebe-tan.
• In 2025 she got married.
• Her younger sister, Sayaka Nishiwaki (nicknamed cha-pon, ちゃあぽん), was also an idol from 2005-2022, as a member of the group 9nine.
• She is the member that posts the most on Instagram. She mostly documents her travels, pets and workouts.

Nocchi is considered aloof and cool. She often wears shorts or more "tomboy-ish" outfits to contrast a-chan and Kashiyuka.

Name: Omoto Ayano
Kanji: 大本 彩乃
Birthday: 1988.9.20
Blood type: A

Trivia

• She was the last member to join the group, joining in 2000 after short-lived member Kawayuka left to pursue her studies.
• She loves video games. From 2020-2025 she had her own interview column in the publication Natalie, where she talked to members of the Japanese game industry.
• In 2024 she joined Shiina Ringo on her song "1RKO". This made her the first member to pursue singing activies outside of Perfume.
• She has a cat named Nia.

Kashiyuka is the youngest member. She is known for her lady-like demeanor and signature glossy hair.

Name: Kashino Yuka
Kanji: 樫野 有香
Birthday: 1988.12.23
Blood type: A

Trivia

• From 2018-2026 she had a column in the magazine Casa Brutus, where she explored traditional Japanese craft.
• In 2025 she became a temporary presenter on Nippon Television’s Wednesday "news zero" program. During this time she interviewed Ariana Grande, one of her favourite artists.
• She loves to free dive.
• She has a cat named Leon
• In 2025 she cut her hair short. This was so unexpected that it made the news