Hiyama Masumi(桧山ますみ)

Hiyama Masumi is a JAV actress known for her work primarily in the "kyonyuu" (large breasts) genre. Based on available information, her career appears to have started around the late 2000s and extended into the early 2010s. While a comprehensive list of her productions isn't available, it's clear she has appeared in many titles. Her filmography suggests a strong focus on breast-related fetishes, including "paizuri" (breast job) and general appreciation of large breasts. Alongside these primary themes, her work also includes elements of masturbation, particularly with vibrators, and other niche fetishes. Some titles also feature her in cosplay, such as a sailor uniform. Looking at the limited data, there doesn't seem to be a significant shift in genre focus throughout her career. She consistently appeared in productions centered around large breasts and associated fetishes. Her main studio appears to be Pool Club Entertainment, and she is known for her appearances in series such as "Kyonyuu Etsuraku" (Giant Breast Pleasure) and "Vibe no Toriko" (Captive of the Vibrator). In summary, Hiyama Masumi is a JAV actress whose career centered on delivering content catering to fans of large breasts and related fetishes. She primarily worked with Pool Club Entertainment and was featured in several series that emphasized her prominent assets. Her style can be characterized as consistently focused on these specific niche interests.