Yoshiko Hirano

is a Japanese professional wrestler better known by the ring name Yoshiko (世志琥 Yoshiko, originally 世Ⅳ虎). She debuted with the World Wonder Ring Stardom promotion in January 2011, forming a successful partnership with Natsuki☆Taiyo, with the two winning the Goddess of Stardom Championship and the 2012 Goddesses of Stardom Tag League. Following Taiyo's retirement, Yoshiko won Stardom's top title, the World of Stardom Championship, in August 2014.

Yoshiko's reign ended in controversy in February 2015, when she went off script during a match with Act Yasukawa, legitimately beating and injuring her. Afterwards, Yoshiko was stripped of the World of Stardom Championship, suspended and eventually announced her retirement. She, however, returned in January 2016, now affiliated with the Seadlinnng promotion.

She is a former Oz Academy Openweight Champion. Yoshiko returned to professional wrestling on January 11, 2016, during an event held by Nanae Takahashi's new Seadlinnng promotion. She appeared ringside, supporting Takahashi during her main event match against Meiko Satomura. On February 11, Seadlinnng officially announced that Yoshiko (now with a revised ring name) had joined the promotion and also for the Beyond the SEA Tag Team Championship.

Mixed martial arts record from Sherdog last updated on: December 24, 2017 On January 23, 2017, Yoshiko announced she would be making her mixed martial arts (MMA) debut for Road Fighting Championship (Road FC) on February 11 in South Korea.Road FC used the incident with Yasukawa to promote the debut, dubbing Yoshiko the "face-crusher". She had been training MMA since the autumn of 2016 at Kiyoshi Tamura's U-File Camp and underwent further training under Hidetaka Monma at his Brightness dojo after the fight was announced.

In her debut fight, Yoshiko defeated local fighter Chun Sun-Yoo by knockout in the first round. Yoshiko and Chun Sun-Yoo had a rematch on June 10, 2017, with Yoshiko this time winning via submission with a Kimura in the first round.Yoshiko suffered her first loss when she was defeated by Young Ji Kim via unanimous decision on December 23, 2017. That same day, Yoshiko was named Road FC's Female Rookie of the Year