由美 & 磯山道 Costar Works

由美 and 磯山道 are an established costar duo, teaming up across 2 works from their initial collaboration 'うちのかわいいお義母さん 安野由美' (2025) to '【配信限定特別版】母子交尾～黒尾谷岳路～ 安野由美' (2026). Their collaborations are predominantly released under the ルビー label, demonstrating exceptional on-screen chemistry in genres such as 熟女・近親相姦・お母さん.