Aina Otsuka
大塚愛菜 (Otsuka Aina) is a former Japanese pop singer once under Hello! Project. She is a former member of Juice=Juice and Hello Pro Kenshuusei. She was first introduced as a trainee at a fanclub event in June 2011. It was announced on July 5, 2013 that she had withdrawn from both Hello Pro Kenshuusei and Juice=Juice, subsequently leaving Hello! Project. From April 2014 to April 2018, she was active as an independent solo idol and actress.
Hello! Project 2011 Summer ~Nippon no Mirai wa WOW WOW Live~
Hello! Project 2013 Spring Yaon Premium LIVE ~Soto Fes~
Hello! Project 2013 Spring Haru no Dai Kansha Hinamatsuri Festival 2013 ～Berryz Koubou 10 Nenme Totsunyuu Special!～
Hello! Project 2013 Spring Haru no Dai Kansha Hinamatsuri Festival 2013 ~Thank You For Your Love!~
Hello! Project 2013 Winter Tanjou 15 Shuunen Kinen Live 2013 Fuyu ~BRAVO!~
Hello! Project 2012 Winter Hello☆Pro Tengoku ~Funky-chan~
Hello! Project 2012 Winter Hello☆Pro Tengoku ~Rock-chan~
Hello! Project 2011 Summer ~Nippon no Mirai wa YEAH YEAH Live~