千石もなか & 貞松大輔 Costar Works

千石もなか and 貞松大輔 are an established costar duo, teaming up across 3 works from their initial collaboration '人生初の追撃ピストントントーン！にエロス大爆発 元アイドルびっちゃびちゃイキ潮お漏らしえちえち覚醒スペシャル 千石もなか' (2022) to '大浣腸！超ゲロ！痙攣マン！本気絶頂で全穴ジャッバジャバ大量噴射。激スプラッシュ3穴性交 千石もなか' (2025). Their collaborations are predominantly released under the kawaii label, demonstrating exceptional on-screen chemistry in genres such as M女・淫乱・ハード系.