波多野結衣 & 北こうじ Costar Works

波多野結衣 and 北こうじ are an established costar duo, teaming up across 6 works from their initial collaboration '結婚後も働くデカ乳嫁が酔いつぶれて帰宅！旦那の横で昏睡無防備状態の嫁に義父がまさかの夜這い行為！柔らかなおっぱい揉むだけでは飽き足らず息子の横で何度も中出し！' (2017) to '地元女性議員が飲み会で失禁地獄宴会ゲームで何度もお漏らし興奮した低能チ●ポに朝まで犯●れイキ狂う 波多野結衣' (2026). Their collaborations are predominantly released under the 山と空/妄想族 label, demonstrating exceptional on-screen chemistry in genres such as 寝取り・寝取られ・3P.