"Hirota, Aika"@en . . "solo_singer" . "Aika Hirota"@en . "1999Z"^^ . "Japanese idol, singer" . "Ai-Ai"@en . . "Ai Ai"@en . . "Aika Hirota (\u5EE3\u7530 \u3042\u3044\u304B, Hirota Aika, born January 31, 1999) is a Japanese idol singer and member of the all-female pop group Shiritsu Ebisu Chugaku."@en . . "1999-01-31Z"^^ . .