Shoutarou Hidari is a fictional character from the Japanese tokusatsu series Kamen Rider W. He is a private detective in the city of Fuuto, known for his laid-back personality and sharp investigative skills. Shoutarou often partners with his friend and ally, Philip, to solve mysteries and combat villains. As a Kamen Rider, Shoutarou transforms into Kamen Rider W using a special device called the Driver. His unique ability allows him to combine with Philip, who possesses knowledge of various elements, enhancing their powers. Together, they fight against the Dopants, creatures that threaten the peace of Fuuto.