菅野さゆき & 山田伸夫 Costar Works

菅野さゆき and 山田伸夫 are an established costar duo, teaming up across 2 works from their initial collaboration '爆乳女教師の勝手に誘惑ノーブラ授業 菅野さゆき' (2011) to 'OPPAIぴったりインストラクタースペシャル 極上クビレBOINとエクササイズ4時間' (2012). Their collaborations are predominantly released under the OPPAI label, demonstrating exceptional on-screen chemistry in genres such as パイズリ・巨乳・痴女.