りお & 貞松大輔 Costar Works

りお and 貞松大輔 are an established costar duo, teaming up across 37 works from their initial collaboration '下着モデルをさせられて… 緒川りお' (2015) to 'えむっ娘ラボ十周年記念。極限狂喜。雌穴12ホール 北野未奈 美波こづえ 坂本りお 音琴るい' (2026). Their collaborations are predominantly released under the アイデアポケット label, demonstrating exceptional on-screen chemistry in genres such as 3P・4P・スレンダー.