Hikasa aspired to become a voice actress after watching Sailor Moon and later attended Nihon Narration Engi Kenkyūjo, a voice actor training school. She is a member of the five-girl pop music group Ro-Kyu-Bu!, along with Kana Hanazawa, Yuka Iguchi, Rina Hidaka and Yui Ogura.[ The group takes its name from the anime series Ro-Kyu-Bu!; the five members voice main characters in the series. Their first single “Shoot!” was released on August 17, 2011 and was used as the opening theme of Ro-Kyu-Bu!. Ro-Kyu-Bu! put out the album Pure Elements on October 5, 2011.