永井マリア & 優生 Costar Works

永井マリア and 優生 are an established costar duo, teaming up across 2 works from their initial collaboration '「おっぱい乗ってますけど…」超タイプの巨乳義母と入浴セックス 永井マリア' (2021) to '義弟に抱かれて肉体は淫らに堕ちてゆく… 永井マリア' (2024). Their collaborations are predominantly released under the KSB企画/エマニエル label, demonstrating exceptional on-screen chemistry in genres such as 巨尻・巨乳・人妻.