Yoshiko was born in Yokohama, Japan. She trained with Miyoshi Takatori and, in 1997, joined the Japanese company STAR DANCERS BALLET TOKYO. She then moved to the Noism company in Niigata before leaving her native country and joining the Ballet national de Marseille in 2007.
Since 2005, Yoshiko has been studying traditional Japanese martial arts (Budō), focusing on the relationship between the bodies. In 2018, she obtained her MUNZ FLOOR® coaching certification, and in 2020, her MUNZ BARRE® coaching certification.