桐谷まつり & 主観 Costar Works

桐谷まつり and 主観 are an established costar duo, teaming up across 5 works from their initial collaboration '桐谷まつり 日帰りで12発射精しちゃうヤリまくりイチャイチャ温泉旅行' (2018) to '無愛想なお隣の巨乳お姉さんと1週間のツンデレ同棲生活 桐谷まつり' (2020). Their collaborations are predominantly released under the OPPAI label, demonstrating exceptional on-screen chemistry in genres such as 巨乳・中出し・痴女.