千石もなか & 一馬 Costar Works

千石もなか and 一馬 are an established costar duo, teaming up across 2 works from their initial collaboration '緊縛アナル露出温泉デート 千石もなか' (2024) to 'よあそびのうたげ（宴）ある日突然僕の前に現れた彼女は吸血鬼だった 千石もなか' (2025). Their collaborations are predominantly released under the コスプレ坂69 label, demonstrating exceptional on-screen chemistry in genres such as ツンデレ・パイパン・美乳.