竹内有紀 & 結城結弦 Costar Works

竹内有紀 and 結城結弦 are an established costar duo, teaming up across 7 works from their initial collaboration '早漏改善のはずなのに…有紀先生のキレッキレ騎乗位でチ○ポがバカになったボク。 竹内有紀' (2020) to '卒業式の後に…大人になった君へ義母からの贈り物―。 竹内有紀' (2025). Their collaborations are predominantly released under the マドンナ label, demonstrating exceptional on-screen chemistry in genres such as 中出し・熟女・スレンダー.