Koyama Wataru(小山渉)

Koyama Wataru is a Japanese Adult Video (JAV) actress who appears to have debuted in the early 2000s and maintained a career spanning over a decade, with work appearing as late as the mid-2010s. While the exact extent of her filmography is unknown, she has appeared in many productions. Based on a sample of her work, Koyama's early roles heavily featured themes popular at the time, including high school settings. She frequently appeared in productions involving school uniforms, gym clothes (specifically bloomers), and swimsuits, often portraying a schoolgirl character. These early works often fell under the "mini-kei" (young/petite) category. Idea Pocket appears to be a prominent studio in her early career. Later in her career, Koyama seems to have broadened her genre appearances. While swimsuits remained a theme, titles indicate a shift towards productions featuring "omorrashi" (incontinence) content. She also appeared in independent productions involving swimsuit model auditions. Series appearances include "HIGH SCHOOL FUCK" and "Omorrashi Gaman Taikai." Overall, Koyama Wataru's JAV career began with a focus on youthful, schoolgirl-themed content, primarily through Idea Pocket, and later expanded to include a wider variety of genres, including those involving incontinence and independent productions.