優子 & 貞松大輔 Costar Works

優子 and 貞松大輔 are an established costar duo, teaming up across 4 works from their initial collaboration '夫とのセックスも日課のオナニーも1ヵ月禁止！！白木優子が欲求不満MAXで挑む禁欲解放イキまくり3本番' (2016) to '現役女教師がキメセクAVデビュー 絶頂潮ダダ漏らしで痙攣イキ！エロい本性丸出しの問題作 私立●校教師 藤兼優子 26歳' (2023). Their collaborations are predominantly released under the マドンナ label, demonstrating exceptional on-screen chemistry in genres such as ドキュメンタリー・熟女・デジモ.