STU48's 2nd Generation (2期生) are the promoted members since October 1, 2021. They were announced on October 27, 2019 as 2nd Generation Kenkyuusei. Currently, they have 15 active members.
See STU48 2nd Generation History
Members
- Ikeda Yura (いけだちゃん Ikedachan)
- Utsumi Rine (りねたん Rinetan, りーぽん Ripon)
- Osaki Serika (ぱせり Paseri)
- Kawamata Yuuna (ゆな Yuna, ゆうた Yutama, ゆなゆな Yunayuna)
- Kudo Riko (りこち Rikochi)
- Kojima Aiko (あいちゃん Aichan, あいこじ Aikoji, あいちゅん Aichiyun)
- Sako Himeka (ひめたん Himetan)
- Shimizu Sara (さらちゃん Sarachan)
- Suzuki Ayaka (あやパン Ayapan)
- Takao Sayaka (さーやん Saayan)
- Harada Sayaka (さやかりん Sayakarin)
- Muneyuki Rika (りか Rika, ゆきりか Yukirika)
- Yoshida Sara (さらぴ Sarapi, さら Sara)
- Rissen Momoka (ももちゃん Momochan)
- Watanabe Natsuki (なっちゃん Natchan)