上 & 平井シンジ Costar Works

上 and 平井シンジ are an established costar duo, teaming up across 8 works from their initial collaboration '義理の妹の無防備すぎる誘惑？チラリズム 妻の妹とドキドキ共同生活 上原亜衣' (2014) to 'デリヘル呼んだら女上司…いい感じの熟れ具合で全員巨乳！' (2025). Their collaborations are predominantly released under the アタッカーズ label, demonstrating exceptional on-screen chemistry in genres such as 人妻・熟女・巨乳.