Kobayashi Yui was a member of Sakurazaka46's 1st Generation. She currently has a solo career under the name yousti (ユースティー).
History[]
- 2015.08.21 - Joined Keyakizaka46 as a Kanji Keyakizaka46 1st Generation member
- 2019.02.11 - Transferred to Keyakizaka46 1st Generation
- 2020.10.14 - Transferred to Sakurazaka46 1st Generation
- 2024.02.01 - Graduated from Sakurazaka46 (Announcement: November 29, 2023 | Graduation Concert: January 31-February 1, 2024 at Yoyogi National Gymnasium)
Solo Discography[]
Solo Mini Albums[]
- [2025.08.27] - yousti
Singles Participation[]
Sakurazaka46 A-Sides[]
- Nobody's fault (Sakura Eight)
- BAN (Sakura Eight)
- Nagaredama (Sakura Eight)
- Samidare yo (Sakura Eight)
- Sakurazuki (Sakura Eight)
- Start over! (Sakura Ten)
- Shoninyokkyu (Sakura Nine)
Sakurazaka46 B-Sides[]
Keyakizaka46 A-Sides[]
- Silent Majority
- Sekai ni wa Ai Shika Nai
- Futari Saison
- Fukyouwaon
- Kaze ni Fukarete mo
- Glass wo Ware!
- Ambivalent
- Kuroi Hitsuji
Keyakizaka46 B-Sides[]
AKB48 B-Sides[]
Other Singles[]
Albums Participation[]
Sakurazaka46 Albums[]
- Masatsukeisu (As you know?)
- Jouken Hansha de Nakete Kuru (As you know?)
- Time Machine de Yeah! (As you know?)
Keyakizaka46 Albums[]
- Getsuyoubi no Asa, Skirt wo Kirareta (Masshirona Mono wa Yogoshitaku Naru)
- Kimi wo Mou Sagasanai (Masshirona Mono wa Yogoshitaku Naru)
- Tokyo Tower wa Doko Kara Mieru? (Masshirona Mono wa Yogoshitaku Naru)
- 1gyou Dake no Air Mail (Masshirona Mono wa Yogoshitaku Naru) (Duet with Imaizumi Yui)
- AM1:27 (Masshirona Mono wa Yogoshitaku Naru)
- Taiyou wa Miageru Hito wo Erabanai (Masshirona Mono wa Yogoshitaku Naru)
- Abunakkashii Keikaku (Masshirona Mono wa Yogoshitaku Naru)
- 10gatsu no Pool ni Tobikonda (Eien Yori Nagai Isshun 〜Ano Koro, Tashika ni Sonzaishita Watashitachi〜)
- Sajin (Eien Yori Nagai Isshun 〜Ano Koro, Tashika ni Sonzaishita Watashitachi〜)
Solo Songs[]
- Kimi ga Sayonara Ietatte... (君がサヨナラ言えたって・・・)
Units[]
Yuichanzu[]
Photobooks[]
- [2019.03.13] Kanjo no Kouzu
Media Appearances[]
Stage Plays[]
- Zambi (ザンビ) (2018)
Variety Shows[]
- Keyaki tte, Kakenai?
- KEYABINGO!
- Soko Magattara, Sakurazaka?
Dramas[]
- Tokuyama Daigoro wo Dare ga Koroshita ka? (2016)
- Zankoku na Kankyakutachi (2017)
- Asagao: Forensic Doctor (監察医 朝顔 Kansatsui Asagao) (Episode 8) (2019)
- Wasteful Days of High School Girls (女子高生の無駄づかい) (2020)
Movies[]
- Sakura (さくら) (2020)
Trivia[]
- Lightstick Colors: Blue, Yellow
- Audition song: Taiyou no Uta (Sawajiri Erika)
- Favorite Nogizaka46 member: Saito Asuka
- Charm Point: Smooth hair, round cheeks, and long eyelashes
- Is known for her skill at dancing
- Can play alto saxophone, piano and guitar
- Considers playing instruments her specialty and started playing piano at 4 years old thanks to her older sister
- Her treasure is the 3rd place trophy that she won in a solo contest with her alto saxophone in middle school
- Hates roller coasters and being called 'PonPon', per SokoSaku
- Is an exclusive model for "with" magazine
- Is a fan of mobile games; has mentioned enjoying Nogizaka46's mobile game NogiKoi
- Tested positive for COVID-19 on July 21, 2022
- Fellow Sakurazaka46 members Koike Minami, Sugai Yuuka, Onuma Akiho, and Morita Hikaru, STU48's Osaki Serika and SKE48's Akahori Kimie, Ishiguro Yuzuki, Tsuzuki Rika, and Nakasaka Miyu also tested positive that day
- Fangirled by 3rd Generation member Matono Mio, per SokoSaku
Gallery[]
- After Graduation
2024
- Sakurazaka46
Shoninyokkyu - 2023
Start over! - 2023
Sakurazuki - 2022
As you know? - 2022
Samidare yo - 2022
Nagaredama - 2021
BAN - 2021
Nobody's fault - 2020
- Keyakizaka46
2020
Kuroi Hitsuji - 2019
Ambivalent - 2018
Glass wo Ware! - 2018
Kaze ni Fukarete mo - 2017
Fukyouwaon - 2017
Futari Saison - 2016
Sekai ni wa Ai Shika Nai - 2016
Silent Majority - 2016
2016
2015
Debut 2015
NEW YEAR'S CARD 2020