Yuki Yoshimi graduated from the Toho Gakuen School of Music, where he studied under Hisako Ueno and Kei Itoh, before going on to study at the New England Conservatory of Music under Alexander Korsantia. He won First Prize at the 86th Music Competition of Japan, becoming the youngest winner at age 17. Two years later, he won a Silver Medal at the Manhattan Competition. A semi-finalist at the Queen Elisabeth Competition in 2021, he was also a semi-finalist at the Gina Bachauer Competition in 2024 and at the Naumburg Competition in 2023. He has given recitals across Japan, among others at the Oji Hall in 2024, Kyoto Concert Hall and Hamarikyu Asahi Hall in 2023, and Toppan Hall in 2019. A Chanel Pygmalion Days artist in 2019, he gave six recitals at the Nexus Hall. He has performed with many Japanese orchestras, including the Tokyo Symphony Orchestra, Tokyo Philharmonic Orchestra, New Japan Philharmonic, Hiroshima Symphony Orchestra, Tacticart Orchestra and Japan Philharmonic Orchestra.