柏木こなつ & 杉山 Costar Works

柏木こなつ and 杉山 are an established costar duo, teaming up across 2 works from their initial collaboration '不倫女子●生～こなつの事情～ 柏木こなつ' (2023) to '「おじいちゃんって…おちんちん固くなるのかなぁ～？と思って…」好奇心旺盛な初孫禁断夜●い' (2025). Their collaborations are predominantly released under the 姦乱者/妄想族 label, demonstrating exceptional on-screen chemistry in genres such as 中出し・妄想族・小柄.