Saki is a Japanese heavy metal musician and songwriter. She is best known as guitarist of the all-female band Mary's Blood from 2012 until they began an indefinite hiatus in 2022, and was also a member of the all-female band Nemophila from 2019 to 2024. She is currently active as a solo artist and as one-half of the duo Amahiru with Frédéric Leclercq. Saki has been sponsored by Killer Guitars for over ten years, and often uses custom-made Fascist models. In 2021, they released her signature model, the seven-string KG-Fascinator Seven the Empress.

Nemophila is a Japanese heavy metal band formed in Tokyo in 2019. It consists of vocalist Mayu, guitarist Hazuki, bassist Haraguchi-san and drummer Tamu Murata. While independently releasing three singles between 2020 and 2021, Nemophila garnered a sizable multinational following online by uploading videos to YouTube. In June 2021, British record label JPU compiled the singles into the internationally released Oiran: Extended Edition. Nemophila released their debut studio album, Revive, in December 2021. Their most recent album, Evolve, was released in January 2024.