Mio Sawada (沢田 未央, Sawada Mio) is Risa's and Haruna's best friend and one of Rito's and Lala's classmates. Mio is almost always seen with Risa and loves to take part in her usual antics. She works at a maid cafe as a waitress, and Risa is always coming there. Mio is usually seen as a minor character.