Umi Mitoma

Umi Mitoma

Starting her career in 2016 at approximately age 19, Umi Mitoma (三苫うみ) has spent nine years working in the Japanese adult video industry as both an AV idol and plus size model. Born in 1997 in Japan, she has operated under a notably long list of aliases throughout her career, including Chinami Amamiya, Kotomi Satou, Urara Motomura, and Natsumi, among others.

Career and Industry Context

Umi entered the AV industry during a period when the Japanese market was expanding its representation of different body types. As a BBW performer, she occupies a specific niche within the broader Japanese Models landscape. Her measurements, particularly a bust of 120cm (J cup in Japanese sizing), have been a defining aspect of her professional identity, with her bust size reportedly increasing over the course of her career due to weight gain.

Standing 5 feet 3 inches tall with measurements of 120-84-111, Umi fits squarely within the BBW Models category. Her natural bust has been a consistent feature of her work, distinguishing her from performers who have opted for augmentation.

Aliases and Longevity

The number of professional names Umi has used, at least six distinct aliases across both romaji and kanji, suggests she has worked across multiple studios and production labels over her nine-year career. This is a common practice in the Japanese AV industry, where performers frequently adopt new names when signing with different studios or shifting the focus of their content.

Her continued activity from 2016 through to the present day places her among the longer-tenured performers in the Japanese adult industry, where many careers span only a few years. The transition to maintaining her own content channels outside of traditional studio work reflects a broader industry shift that many Japanese AV performers have made in recent years.

Profile

Umi has black hair, brown eyes, no tattoos, and no piercings. She maintains a presence on several social media and content platforms, continuing to produce work that spans both traditional AV studio releases and independent content. Her career trajectory, from entering the industry in her late teens to sustaining relevance across nearly a decade, reflects a degree of professional consistency within a competitive market segment.