Osaki Serika is a member of STU48's 2nd Generation and MiKER!.
Team History
- 2019.12.03 - Joined STU48 as a Kenkyuusei
- 2021.10.01 - Promoted to 2nd Generaton (Announcement: September 12, 2021 at STU48 2ki Kenkyuusei Setouchi Summer Tour〜Shoukaku e no Michi・Kessen wa Nichiyoubi〜)
Singles Participation
STU48 A-Sides
- Omoidaseru Koi wo Shiyou
- Iki wo Suru Kokoro
- Kimi wa Nani wo Koukai Suru no ka?
- Chiheisen wo Miteiru ka?
STU48 B-Sides
- Bokura no Shunkashuutou (Mubou na Yume wa Sameru Koto ga Nai)
- Koukai Nanka Aru Wakenai (Hetaretachi yo)
- Fune Kara Orita Bokutachi wa... (Hana wa Dare no Mono?)
- Egao no Chance (Iki wo Suru Kokoro)
- Ame no Knock (Chiheisen wo Miteiru ka?)
- Onigokko (Chiheisen wo Miteiru ka?)
Units
Stage Units
Concert Units
STU48 2ki Kenkyuusei Setouchi Summer Tour〜Shoukaku e no Michi・Kessen wa Nichiyoubi〜
STU48 Setouchi PR Unit Season 2 Zenkoku Tour
- Kimi no C/W (Noon)
- Ookami to Pride (Duet with Oki Yuka) (Evening)
STU48 2nd Generation 3rd Anniversary Live
STU48 Zenkoku Tour 2023
- Kobe - Day 1
Trivia
- Penlight Colors: Emerald green, white
- Showroom Audition Number: #98
- Hobbies: Research hairstyles and makeup that suit her, Watching idols.
- Special skills: Laundry, 50m run.
- Shoe size: 24cm
- Admired members: Komada Hiroka and Toyonaga Aki
- Favorite AKB48 Group song: Hoshizora no Mistake
- Favorite Food: Inahoyaki
- A place you'd like to visit in Setouchi: Itsukushima Temple
- Pros: Assertiveness.
- Cons: Tendency to be extreme.
- Oldest member of STU48's 2nd Generation.
- As of December 1, 2023, she is also the oldest member of STU48.
- Tested positive for COVID-19 on July 21, 2022.
- SKE48's Akahori Kimie, Ishiguro Yuzuki, Tsuzuki Rika, and Nakasaka Miyu also tested positive that day.
- Sakurazaka46's Koike Minami, Kobayashi Yui, Sugai Yuuka, Onuma Akiho, and Morita Hikaru also tested positive that day.