|Birthdate||December 1, 1999|
|Current Age||20 Years Old|
|Agency||Setouchi Co. Ltd.|
|Idol Career Info|
|Debuted||January, 2018 / Draft 3rd Generation|
- On November 11, joined 2017 Member Draft Pool.
- On January 21, participated in the AKB48 Group 3rd Draft Kaigi and was drafted by STU48 as their 2nd choice.
- On April 9, debuted as a Zenza Girl.
- On May 18, had her first full theater performance.
- On May 24, ranked 16th in a AKB48 Senbatsu Sousenkyo SHOWROOM event and became a member of SHOWROOM Senbatsu.
- On July 13, participated in her first song, "Suki" no Tane by SHOWROOM Senbatsu from Sentimental Train.
- On February 13, chosen for her first senbatsu for STU48's 2nd single, Kaze wo Matsu.
- On August 3, was promoted to STU48 during TOKYO IDOL FESTIVAL 2019.
AKB48 Senbatsu Elections
- 10th Senbatsu Election - Not Ranked
- 2017 Member Draft Pool → STU48 Kenkyuusei → STU
- Shukko (Kaze wo Matsu)
- Yagate Nanohana ga Saku Koro (Kaze wo Matsu)
- Suki ni Nareta Dakede Shiawase da (Daisuki na Hito)
- Setouchi no Imouto (Mubou na Yume wa Sameru Koto ga Nai)
- Kiseki no Iu Na no Story (Mubou na Yume wa Sameru Koto ga Nai)
- Admired members: Fukuoka Seina and Watanabe Mayu
- Hobbies: Reading, playing with pets, writing.
- Before joining STU48, she wrote stories and posted them online.
- Special skill: Memorization, scroll saw.
- Nicknames: OkiC, Oki-shi, Oki-mama.
- STU48's 2nd choice at the Draft.
- Holds the record for bring picked by the highest number of teams (5) together with Kawamoto Saya.
- Self described good listening.
- Says her negative personality trait is that her lack of direction and inability to use technology.
- Close to NMB48's Yamamoto Mikana and HKT48's Watanabe Akari.
- While they weren't close during the draft, she and Nakamura Mai became close after having jobs together as STU48. They are called "OkiMai" by fans.
Oki Yuka 10th Senbatsu Election Poster (2018)
Oki Yuka (2018)
Oki Yuka (Draft Kaigi 2018)
| Ishida Chiho | Ishida Minami | Isogai Kanon | Imamura Mitsuki | Iwata Hina | Okada Nana | Otani Marina | Kai Kokoa |
Kadowaki Miyuna | Sakaki Miyu | Shintani Nonoka | Takino Yumiko | Tanaka Kouko | Taniguchi Mahina | Hyodo Aoi | Fukuda Akari
Fujiwara Azusa | Mineyoshi Arisa | Morishita Maiha | Yano Honoka | Yabushita Fu | Oki Yuuka | Shinano Soraha | Nakamura Mai