Yoko Sato (Soprano) and Hiroko Sato (Mezzo-Soprano) are sisters.

Hailing from Yamabe Town, Yamagata Prefecture, both graduated from the Department of Vocal Music, Faculty of Music, Tokyo University of the Arts, and completed the Master's Program in Solo Performance at the same university's Graduate School. Driven by the desire to convey the charm of <Japanese songs> and disseminate them as a cultural heritage, they formed the sister duo “Sugar Sisters” under the theme of [Beautifully Resonating Japanese Songs: Harmony of the Heart].

They continue to attract attention as a highly acclaimed and accomplished sister duo in the field of Japanese art songs.

In 2014, they released their first album, 'Wasuregataki Furusato,' followed by 'Megumi ~Nihon no Uta wo Mirai e Tsunagu~' from King Records in 2017. In 2019, with the support of the Embassy of Japan in Austria, the Sugar Sisters held a performance in Vienna. In addition to concerts nationwide, they are active in media, including appearances on TV and radio. They serve as Yamagata Special Tourism Ambassador for Tsuyahime.

Yamagata Beni-Oh Support Ambassador, and Yamabe Town Beauty Promotion Ambassador.

Official Website: sugarsis.com