原希美 & 貞松大輔 Costar Works

原希美 and 貞松大輔 are an established costar duo, teaming up across 3 works from their initial collaboration 'タイトスカートを穿かされて…。 谷原希美' (2015) to '電撃復活 谷原希美 熟女への本気―。新生DAHLIAにカリスマ降臨。' (2026). Their collaborations are predominantly released under the マドンナ label, demonstrating exceptional on-screen chemistry in genres such as 熟女・人妻・主婦.