In our exclusive investigation, VICE News host Simon Ostrovsky went to one of Tokyo's busiest neighborhoods, where girls solicit clients in their school uniforms. Last year the US State Department, in its annual report on human trafficking, flagged so-called joshi-kosei osanpo dates (that's Japanese for "high school walking") as fronts for commercial sex run by sophisticated criminal networks. In our report, schoolgirls involved in the rent-a-date industry reveal how they've been coerced into prostitution