[2] Ko (also transcribed Kou and Koh) Shibasaki debuted in 2000, when she portrayed Mitsuko Souma in Battle Royale.
[3][4] In 2013, Shibasaki made her U.S. film debut in 47 Ronin, a Keanu Reeves-led adaptation of the Chushingura story of samurai loyalty and revenge.
The film was billed as the first ever English-language adaptation of the legend, based on historical events in the early 18th century.
Although she does not compose her own music, Kō Shibasaki writes the lyrics for most of her songs.
Her single "Lover Soul" was the ending theme song for the live action drama Otomen.