風間ゆみ & 井口 Costar Works

風間ゆみ and 井口 are an established costar duo, teaming up across 2 works from their initial collaboration '中出し性活指導 風間ゆみ・川上ゆう・村上涼子・澤村レイコ' (2014) to '愛妻交換 上司、後輩それぞれの妻が他人棒で燃えた交代制中出し4日間の記録。 風間ゆみ 本真ゆり' (2020). Their collaborations are predominantly released under the 溜池ゴロー label, demonstrating exceptional on-screen chemistry in genres such as 中出し・熟女・巨乳.