理子 & 平井シンジ Costar Works

理子 and 平井シンジ are an established costar duo, teaming up across 2 works from their initial collaboration '夫は知らない～私の淫らな欲望と秘密～ 三浦恵理子' (2015) to 'スケベな伯父とまじめな従兄弟を2穴で堪能するド変態姉さん 徳島理子' (2025). Their collaborations are predominantly released under the ルビー label, demonstrating exceptional on-screen chemistry in genres such as 巨乳・熟女・3P.