美咲音 & 貞松大輔 Costar Works

美咲音 and 貞松大輔 are an established costar duo, teaming up across 2 works from their initial collaboration '（女の子の感度をバグらせて）『痙攣するほどイカせてみたい！』ひよこ女子の究極’奥イキ’開発×いちゃいちゃポルチオSEXのすすめ。その2' (2025) to '天頂アナルファッカー音琴るいの熱血肛門指導 音琴るい 美咲音' (2026). Their collaborations are predominantly released under the えむっ娘ラボ label, demonstrating exceptional on-screen chemistry in genres such as 淫乱・ハード系・乱交.