refio + Haruka Shimotsuki is a collaborative artist credit centered on Japanese soprano, composer, and singer-songwriter Haruka Shimotsuki (霜月はるか), born on November 15, 1980, in Miyagi Prefecture, Japan. Her music draws on neoclassical, new age, and folk influences, and she has maintained a clear, melodic vocal style throughout her career. She is associated with TEAM Entertainment and her blood type is A.
Shimotsuki is best known for theme songs and image songs for video games, especially Gust soundtracks such as Atelier and Ar tonelico, and she has also contributed theme songs to anime series. Beyond her solo work, she released several singles and albums, formed kukui with Myu, and formed MW with Katakiri Rekka. In 2026, she marked her 20th major-debut anniversary, with her ninth works album and first planetarium live highlighting the next stage of her career.
