上原保奈美 & 原口 Costar Works

上原保奈美 and 原口 are an established costar duo, teaming up across 2 works from their initial collaboration 'Jカップの初体験 上原保奈美' (2011) to '泥酔助平 上原保奈美' (2012). Their collaborations are predominantly released under the エスワン ナンバーワンスタイル label, demonstrating exceptional on-screen chemistry in genres such as ギリモザ・巨乳・その他フェチ.