She is well known as the character illustrator and artist for Sanrio's Cinnamoroll and Jewelpet franchises.
Miyuki Okumura was born in Saitama Prefecture and attended Fukuoka Central High School.
She then joined Sanrio after doing the official character art for the Cinnamoroll franchise and became well known after its release.
In 2008, she and Yuko Yamaguchi worked together and illustrated the characters of the Jewelpet franchise in 2008.
[2] On November 10, 2024, Okumura announced on X that she has left Sanrio after working there for 25 years.