Saito Asuka was a member of Nogizaka46's 1st Generation. She is a "sweet" regular model and former "CUTiE" exclusive model. As of January 2023 she has completed all Nogizaka46 activities until her graduation concert, which is planned to be sometime later in 2023.
- Audition Song: if (Nishino Kana)
- Good friends with: Kitano Hinako
- Looks up to: Hashimoto Nanami
- She is the youngest member of Nogizaka46's 1st generation.
- She has two older brothers.
- Her mother is from Myanmar.
- She is a former child actress. She appeared in commercials for brands such as Takara Tomy and Yakult, and was also in the film "Sakuran" by Mika Ninagawa.
- She is famous for having very long titles to her blog entries, but also for not updating it very often.
- She is afraid of large crowds.
- She claims she is not good at talking to others.
- She can play the drums.
- She is known for having a very small head, which is frequently compared to Akimoto Manatsu's big head.
- She was a "CUTiE" exclusive model until the end of the magazine, and was the first ever exclusive model for the magazine.
- She is currently a "sweet" magazine regular model, and has a regular serialization in MEN'S NON-NO.
- She starred in the Fall-Winter 2015 advertisement campaign for fashion designer ANNA SUI with fellow Nogizaka46 members Kitano Hinako and Saito Yuri.
- From April 2, 2016 to March 27, 2021, she had regular appearances on the "HARRY'S ENGLISH CLASS" corner of the "POP OF THE WORLD" Radio Program. She was the youngest and first female idol to become a J-WAVE member.
- On February 4, 2021, she was awarded the Talent Award at the "WEIBO Account Festival in Japan 2020".
- Though she is not the center for Nogizaka46’s 29th Single Actually..., a music video promoting her and Yamashita Mizuki in a Double Center position was released after Nakanishi Aruno's scandal and suspension.
Other Original Songs
- CUTiE (2015) - Exclusive Model
- sweet (2015 - ) - Regular Model
- Nogizaka46 Saito Asuka's FASHION BUZZ (乃木坂46齋藤飛鳥のFASHION BUZZ) (2015 - )
- Bessatsu Kadokawa Nogizaka46 (別冊カドカワ 総力特集 乃木坂46) (2016 - ) - Newly Drawn Essay (描きおろしエッセイ)
- MEN'S NON-NO (2018 - ) - Nogizaka46 Saito Asuka's Mode and Date (乃木坂46 齋藤飛鳥 モードとデート)
- Sakuran (さくらん) (2007) - Tomeki
- You Are the Apple of My Eye (あの頃、君を追いかけた) (2018) - Hayase Mai
- Eizouken ni wa Te wo Dasu na! (映像研には手を出すな！) (2020) - Asakura Midori
- Tokyo Tokkyo Kyoka Kyoku (東京特許許可局) (2014) - Akemi
- Shoujo no Miru Yume (少女のみる夢) (2016) - Hidaka Nanami
- Scary True Stories Summer 2016 (Another Elevator) (ほんとにあった怖い話) (もう1人のエレベーター) (2016)
- Zambi (ザンビ) (2019) - Yamamuro Kaede
- Eizouken ni wa Te wo Dasu na! (映像研には手を出すな！) (2020) - Asakusa Midori
- Remote de Korosareru (リモートでころされる) (2020) - Tamura Yumiko
- 7RULES (セブンルール) (2018)
- Jonetsu Tairiku (情熱大陸) (2018)
- Another Sky (アナザースカイ) (2019)
- Oshareism (おしゃれイズム) (2020)
- POP OF THE WORLD (2016 - 2021) - HARRY'S ENGLISH CLASS