Kosuge Yuu(小菅由宇)

Kosuge Yuu is a Japanese adult video (JAV) actress who appears to have debuted around 2009 and remained active until at least 2017 based on the listed works. Her early work, particularly with Crystal Eizou, seems to focus on the "onee-san" (older sister) genre, often featuring themes like "gyaru" (gal), leg fetishism, and "ferra" (fellatio). Many of these early productions also highlight her figure, with tags like "kyonyuu" (large breasts) and "slender" appearing frequently. She also appeared in "kateikyoushi" (tutor) themed works. Crystal Eizou appears to be her primary studio during this earlier period. She appeared in series such as "Kateikyoushi wa Gaman Dekinai" and "Inju". Later in her career, around 2015 onward, she seems to have expanded into other areas, including productions with STAR PARADISE. These later works show a shift towards "nusumi-dori/nozo-ki" (peeping/voyeurism) and "chijo" (slutty woman) themes, such as the "Sennyu Kamera Teiten Kansoku" series focusing on nurses. She also appears in productions with themes such as "model" and "amateur". Overall, Kosuge Yuu's JAV career showcases a transition from "onee-san" and body-focused productions to a broader range of genres, including voyeurism and more fetish-oriented content. While Crystal Eizou was a prominent studio in her earlier work, she also collaborated with STAR PARADISE in later years.