Niiyama Tsugumi(新山つぐみ)

Niiyama Tsugumi is a Japanese Adult Video (JAV) actress who debuted around 2011 and has maintained a career spanning several years. Her filmography, based on a partial listing of her works, reveals a strong focus on niche genres. Early in her career, Niiyama was frequently featured in content centered around pregnancy, often exploring themes of infidelity and sexual activity during that period. Several of her works also feature "mother's milk" (bonyu) and related fetishes. Lesbian themes, including lesbian swapping and "lesbian battles," are also prevalent throughout her career. Later works show a slight shift to include more "teacher" (onna kyoushi) and "older woman" (chijyo) themed content. Niiyama Tsugumi appears to have worked primarily with the studio MARX, with a significant number of her titles being exclusive releases for them. She also appeared in works produced by Shonan/Mousouzoku and One's Factory. Her involvement in the "Saikyou Rezu Battle" (Strongest Lesbian Battle) series indicates occasional participation in multi-part series. In summary, Niiyama's work is characterized by its focus on specific and sometimes controversial themes, establishing her as a performer within particular niche areas of the JAV industry.