Shoutaro Kanzaki is a fictional character from the anime and manga series Kamen Rider W. He is known for being one half of the main protagonist duo, alongside Philip. Shoutaro is a private detective in Futo City, where he solves various cases while battling villains using the powers of the W Driver. Shoutaro is characterized by his strong sense of justice and determination. He often wears a distinctive trench coat and has a laid-back personality, which contrasts with Philip's more serious demeanor. Together, they transform into the superhero Kamen Rider W to protect their city from threats.