Japanese idol singer who originally found fame as an associate of the favorite girl group AKB48 in addition to its numerous subgroups. She released a single album entitled Erena in 2013 before making a decision to retire from your entertainment market in 2014. She was a founding person in Group K before becoming a member of AKB48. She received the Japan Record Honor for New Designer in 2012. She was created in Tokyo, Japan. She and Jurina Matsui had been both users of Group K.