History: STU48 2nd Generation
STU48 2nd Generation are the promoted members of STU48, consisting of members from STU48's 2nd Generation.
- See also: STU48 1st Generation, STU48 3rd Draft
2019
- October 27 – 2nd Generation members (25) are announced as STU48 Kenkyuusei: Ikeda Yura, Imaizumi Miria, Utsumi Rine, Osaki Serika, Kawamata Anna, Kawamata Yuuna, Kudo Riko, Kojima Aiko, Kondo Arisu, Sako Himeka, Shimizu Sara, Suzuki Ayaka, Takao Sayaka, Taguchi Reika, Tanaka Miho, Tamura Natsuki, Nakahiro Yayoi, Harada Sayaka, Maemura Himea, Minami Yurina, Muneyuki Rika, Yoshizaki Rinko, Yoshida Sara, Rissen Momoka, Watanabe Natsuki.
- December 3 - Maemura Himea resigns from STU48.
2020
- April 2 – Kondo Arisu resigns from STU48 due to academic reasons.
2021
- July 25 – Tamura Natsuki graduates from STU48.
- October 1 – Ikeda Yura, Imaizumi Miria, Utsumi Rine, Osaki Serika, Kawamata Anna, Kawamata Yuuna, Kudo Riko, Kojima Aiko, Sako Himeka, Shimizu Sara, Suzuki Ayaka, Takao Sayaka, Taguchi Reika, Tanaka Miho, Nakahiro Yayoi, Harada Sayaka, Minami Yurina, Muneyuki Rika, Yoshizaki Rinko, Yoshida Sara, Rissen Momoka, and Watanabe Natsuki are officially promoted.
- October 30 – Imaizumi Miria, Nakahiro Yayoi and Minami Yurina withdraw from STU48.
2022
- February 5 – Taguchi Reika graduates from STU48.
2023
- March 26 – Tanaka Miho graduates from STU48.
- April 29 – Yoshizaki Rinko graduates from STU48.
- November 5 – Kawamata Anna graduates from STU48.
2024
- April 7 – Rissen Momoka graduates from STU48.
- April 29 – Suzuki Ayaka graduates from STU48.
- November 30 – Kojima Aiko graduates from STU48.
