K & 市川哲也 Costar Works

K and 市川哲也 are an established costar duo, teaming up across 5 works from their initial collaboration '「ナマではいっちゃった！」爆乳デリ嬢のオイル素股でチ○ポをマ○コに擦り付けてたら思わずフル勃起からのナマ挿入！' (2016) to '絶倫義兄とのまぐわい 快楽の虜にされた私 AIKA' (2024). Their collaborations are predominantly released under the KSB企画/エマニエル label, demonstrating exceptional on-screen chemistry in genres such as 中出し・巨乳・人妻.