She graduated with a degree in economics from Hitotsubashi University.
Yoshizumi started her career as a Japanese manga artist while working as an office lady.
Her debut manga was a yomikiri (short story) called "Radical Romance" that was published in 1984, in the summer issue of Ribon Original.
She is known as a social[clarification needed] manga artist,[citation needed] and is a good friend of fellow manga artists Naoko Takeuchi, Ai Yazawa, Miho Obana, and Megumi Mizusawa.
As of 2011, Yoshizumi has had works serialized in Ribon, Chorus, and Margaret.