Siena Day(シエナ・デイ)

Siena Day is a JAV actress known for her work primarily in the big-breasted (巨乳) genre, with a focus on European/foreign (白人女優, 洋ピン・海外輸入) performers. Based on her listed works, her career appears to have begun around 2020, and she remains active as of late 2025. Her filmography frequently features themes of "nanpa" (pickup/seduction) and amateur (素人) performers, often in the context of encounters with foreign women. Many of her films also include elements like "nakadashi" (internal ejaculation), orgasms, and high-definition visuals. Several titles also suggest a focus on mature women and infidelity themes. Siena Day has worked with several JAV studios, including Big Morkal, PM Entertainment, and ZOOO, and has appeared in series such as Ichiryuu Manbai and PRIVATE (Overseas Special.com). Her work with Marc Dorcel indicates she also appears in productions aimed at a more international audience. Her style is primarily characterized by her involvement in JAV featuring large-breasted foreign women in situations involving seduction, amateur performances, and sometimes mature or infidelity themes.