菊園えつ子 & 平井シンジ Costar Works

菊園えつ子 and 平井シンジ 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 菊園えつ子' (2024) to 'お仕事にお〇んこに 燃えろ！還暦のばば様！2' (2025). Their collaborations are predominantly released under the ルビー label, demonstrating exceptional on-screen chemistry in genres such as 中出し・熟女・人妻.