December
- 3 - A new 48g cover group was announced. It would be called YUM48.
- 5 - 8 members joined - Hanasaki Miki, Kashima Rika, Kurisu Sayuri, Kurosawa Yuka, Sakura Yuki, Tsutsui Natsuko, Yamada Fumi, Yamamoto Amina
- 8 - Watanabe Yuki joined
- 9 - Mizuhara Marina joined
- 11 - Nishikawa Popuri joined
- 16 - Saegusa Miria joined
- 24 - Minegishi Mariko joined
- 25 - Yamamoto Ami joined