ANNA☆S is a Japanese idol group formed in 2010 by the agency Nishida Project. Their 1st single "Kokuhaku / Ultra Super Jump" (告白 / ウルトラスーパージャンプ) was released on November 16th, 2010. The group currently consists of three members: Koike Anna, Koike Yuna and Tazaka Suzuka. Anna and Yuna are sisters, and Suzuka is one of their childhood friends. Anna and Yuna were also members of ALLOVER, which is an idol unit consisting of members from various other idol groups. They graduated in December 2013.