上原保奈美 & 貞松大輔 Costar Works

上原保奈美 and 貞松大輔 are an established costar duo, teaming up across 3 works from their initial collaboration '夫の目の前で犯された若妻 上原保奈美' (2012) to 'Jカップ爆乳ナース むぎゅむぎゅ病棟ハレンチ看護 上原保奈美' (2013). Their collaborations are predominantly released under the ワンズファクトリー label, demonstrating exceptional on-screen chemistry in genres such as 巨乳・パイズリ・看護婦.